Original site: Pointless Large Number Stuff - Bowers' -illions
Million - 1,000,000 = 10^6
Billion - 1,000,000,000 = 10^9
Trillion - 1,000,000,000,000 = 10^12
Quadrillion - 10^15
Quintillion - 10^18
Sextillion - 10^21
Septillion - 10^24
Octillion - 10^27
Nonillion - 10^30
Decillion - 10^33
Undecillion - 10^36
Duodecillion - 10^39 - also called doedecillion
Tredecillion - 10^42
Quattuordecillion - 10^45
Quindecillion - 10^48
Sexdecillion - 10^51
Septendecillion - 10^54
Octodecillion - 10^57
Novemdecillion - 10^60
Vigintillion - 10^63
Trigintillion - 10^93
Googol - 10^100 - shown for comparison
Quadragintillion - 10^123
Quinquagintillion - 10^153
Sexagintillion - 10^183
Septuagintillion - 10^213
Octogintillion - 10^243
Nonagintillion - 10^273
Centillion - 10^303
Cenuntillion - 10^306 - Conway name uncentillion
Duocentillion - 10^309 - Conway name duocentillion
Centretillion - 10^312 - Conway name trescentillion
Ducentillion - 10^603
Trecentillion - 10^903
Quadringentillion - 10^1,203
Quingentillion - 10^1,503
Sescentillion - 10^1,803
Septingentillion - 10^2,103
Octingentillion - 10^2,403
Nongentillion - 10^2,703
Millillion - 10^3,003
Platillion - 10^6,000
Myrillion - 10^30,003
Micrillion - 10^3,000,003
Nanillion - 10^3,000,000,003
Picillion - 10^3,000,000,000,003
Femtillion - 10^(3*10^15 + 3)
Attillion - 10^(3*10^18 + 3)
Zeptillion - 10^(3*10^21 + 3)
Yoctillion - 10^(3*10^24 + 3)
Rontillion or xonillion - 10^(3*10^27 + 3) - Saibian changed the name with the new SI prefixes. However, DeepLineMadom has kept his previous -illion names for generalization sense.
Quectillion or vecillion - 10^(3*10^30 + 3) - Saibian changed the name with the new SI prefixes. However, DeepLineMadom has kept his previous -illion names for generalization sense.
Mecillion - 10^(3*10^33 + 3)
Duecillion - 10^(3*10^36 + 3)
Trecillion - 10^(3*10^39 + 3)
Tetrecillion - 10^(3*10^42 + 3)
Pentecillion - 10^(3*10^45 + 3)
Hexecillion - 10^(3*10^48 + 3)
Heptecillion - 10^(3*10^51 + 3)
Octecillion - 10^(3*10^54 + 3)
Ennecillion - 10^(3*10^57 + 3)
Icosillion - 10^(3*10^60 + 3)
Triacontillion - 10^(3*10^90 + 3)
Googolplex - 10^10^100 - shown for comparison
Tetracontillion - 10^(3*10^120 + 3)
Pentacontillion - 10^(3*10^150 + 3)
Hexacontillion - 10^(3*10^180 + 3)
Heptacontillion - 10^(3*10^210 + 3)
Octacontillion - 10^(3*10^240 + 3)
Ennacontillion - 10^(3*10^270 + 3)
Hectillion - 10^(3*10^300 + 3)
Killillion - 10^(3*10^3000 + 3)
Megillion - 10^(3*10^3,000,000 + 3)
Gigillion - 10^(3*10^3,000,000,000 + 3)
Terillion - 10^(3*10^3,000,000,000,000 + 3)
Petillion - 10^(3*10^(3*10^15) + 3)
Exillion - 10^(3*10^(3*10^18) + 3)
Zettillion - 10^(3*10^(3*10^21) + 3)
Yottillion - 10^(3*10^(3*10^24) + 3)
Ronnillion or xennillion - 10^(3*10^(3*10^27) + 3) - Saibian changed the name with the new SI prefixes. However, DeepLineMadom has kept his previous -illion names for generalization sense.
Quettillion or dakillion - 10^(3*10^(3*10^30) + 3) - Saibian changed the name with the new SI prefixes. However, DeepLineMadom has kept his previous -illion names for generalization sense. He also has his older name vekillion.
Hendillion - 10^(3*10^(3*10^33) + 3) - old name mekillion
Dokillion - 10^(3*10^(3*10^36) + 3) - old name duekillion
Tradakillion - 10^(3*10^(3*10^39) + 3) - old name trekillion
Tedakillion - 10^(3*10^(3*10^42) + 3) - old name tetrekillion
Pedakillion - 10^(3*10^(3*10^45) + 3) - old name pentekillion
Exdakillion - 10^(3*10^(3*10^48) + 3) - old name hexekillion
Zedakillion - 10^(3*10^(3*10^51) + 3) - old name heptekillion
Yodakillion - 10^(3*10^(3*10^54) + 3) - old name octekillion
Nedakillion - 10^(3*10^(3*10^57) + 3) - old name ennekillion
Ikillion - 10^(3*10^(3*10^60) + 3) - old name twentillion
Ikenillion - 10^(3*10^(3*10^63) + 3)
Icodillion - 10^(3*10^(3*10^66) + 3)
Ictrillion - 10^(3*10^(3*10^69) + 3) - old name triatwentillion
Icterillion - 10^(3*10^(3*10^72) + 3)
Icpetillion - 10^(3*10^(3*10^75) + 3)
Ikectillion - 10^(3*10^(3*10^78) + 3)
Iczetillion - 10^(3*10^(3*10^81) + 3)
Ikyotillion - 10^(3*10^(3*10^84) + 3)
Icxenillion - 10^(3*10^(3*10^87) + 3)
Trakillion - 10^(3*10^(3*10^90) + 3) - old name thirtillion
Googolduplex - 10^10^10^100 - shown for comparison
Tekillion - 10^(3*10^(3*10^120) + 3) - old name fortillion
Pekillion - 10^(3*10^(3*10^150) + 3) - old name fiftillion
Exakillion - 10^(3*10^(3*10^180) + 3) - old name sixtillion
Zakillion - 10^(3*10^(3*10^210) + 3) - old name seventillion
Yokillion - 10^(3*10^(3*10^240) + 3) - old name eightillion
Nekillion - 10^(3*10^(3*10^270) + 3) - old name nintillion
Hotillion - 10^(3*10^(3*10^300) + 3) - old name hundrillion
Botillion - 10^(3*10^(3*10^600) + 3)
Trotillion - 10^(3*10^(3*10^900) + 3)
Totillion - 10^(3*10^(3*10^1,200) + 3)
Potillion - 10^(3*10^(3*10^1,500) + 3)
Exotillion - 10^(3*10^(3*10^1,800) + 3)
Zotillion - 10^(3*10^(3*10^2,100) + 3)
Yootillion - 10^(3*10^(3*10^2,400) + 3)
Notillion - 10^(3*10^(3*10^2,700) + 3)
Kalillion - 10^(3*10^(3*10^3,000) + 3) - old name thousillion
Dalillion - 10^(3*10^(3*10^6,000) + 3)
Tralillion - 10^(3*10^(3*10^9,000) + 3)
Talillion - 10^(3*10^(3*10^12,000) + 3)
Palillion - 10^(3*10^(3*10^15,000) + 3)
Exalillion - 10^(3*10^(3*10^18,000) + 3)
Zalillion - 10^(3*10^(3*10^21,000) + 3)
Yalillion - 10^(3*10^(3*10^24,000) + 3)
Nalillion - 10^(3*10^(3*10^27,000) + 3)
Dakalillion - 10^(3*10^(3*10^30,000) + 3) - also called manillion
Hotalillion - 10^(3*10^(3*10^300,000) + 3) - also called lakhillion
Mejillion - 10^(3*10^(3*10^3,000,000) + 3)
Dakejillion - 10^(3*10^(3*10^30,000,000) + 3) - also called crorillion
Hotejillion - 10^(3*10^(3*10^300,000,000) + 3) - also called awkillion
Gijillion - 10^(3*10^(3*10^3,000,000,000) + 3)
Bentrizillion - 10^(6*10^(6*10^6 billion)) - "billion" of ambiguous scale
Lower bentrizillion - 10^(6*10^(6*10^6,000,000,000))
Astillion - 10^(3*10^(3*10^3,000,000,000,000) + 3)
Upper bentrizillion - 10^(6*10^(6*10^6,000,000,000,000))
Lunillion - 10^(3*10^(3*10^(3*10^15)) + 3)
Fermillion - 10^(3*10^(3*10^(3*10^18)) + 3)
Jovillion - 10^(3*10^(3*10^(3*10^21)) + 3)
Solillion - 10^(3*10^(3*10^(3*10^24)) + 3)
Betillion - 10^(3*10^(3*10^(3*10^27)) + 3)
Glocillion - 10^(3*10^(3*10^(3*10^30)) + 3)
Gaxillion - 10^(3*10^(3*10^(3*10^33)) + 3)
Supillion - 10^(3*10^(3*10^(3*10^36)) + 3)
Versillion - 10^(3*10^(3*10^(3*10^39)) + 3)
Multillion - 10^(3*10^(3*10^(3*10^42)) + 3)
Googoltriplex - 10^10^10^10^100 - shown for comparison
Googolquadraplex - 10^10^10^10^10^100 - shown for comparison
Googolquinplex or googolquintiplex - 10^10^10^10^10^10^100 - shown for comparison
I colored the names like so:
Red names are the well-established number names in English.
Orange names are numbers that already have English names (based off Conway-Wechsler system), but are modified in Bowers' system.
Green names are -illions whose names are already established in -illion systems other than Bowers' (i.e. in Conway-Wechsler system).
Blue names are main-sequence names Bowers himself established in his system.
Purple names are names Bowers himself established in his system that are not main-sequence.
Rose names are names that were mentioned to Bowers but he has no idea where they originated.
Turquoise names are miscellaneous numbers that are not named in English but are well-established in the googology community.
Olive names are names that were originally exist by Bowers but later clarified by DeepLineMadom.