vigintillion


vi·gin·til·lion

noun, often attributive \ˌvī-ˌjin-ˈtil-yən\

Definition of VIGINTILLION

US :  a number equal to 1 followed by 63 zeros — see number table; also British :  a number equal to 1 followed by 120 zeros — see number table

Origin of VIGINTILLION

Latin viginti twenty + English -illion (as in million) — more at vigesimal
First Known Use: 1857

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