Meaning of SEXTILLION in English

SEXTILLION

n. (pl. same or sextillions) a thousand raised to the seventh (or formerly, esp. Brit., the twelfth) power (10(21) and 10(36) respectively) (cf. BILLION). sextillionth

[ F f. L sex six, after septillion etc. ]

Concise Oxford English dictionary.      Краткий оксфордский словарь английского языка.