[sex.til.lion] n, often attrib [F, irreg. fr. sex- (fr. L sex) + -illion (as in million)] (1690): the figure 1 followed by 21 zeroes: the figure 1000 followed by six groups of three zeroes; also, Brit: the figure 1 followed by 36 zeroes: one million to the sixth power
SEXTILLION
Meaning of SEXTILLION in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012