Quintillion or Quintilllion: How To spell?

The word Quintillion is misspelled against Quintilllion, a noun meaning "According to the French notation, which is used on the Continent and in America, the cube of a million, or a unit with eighteen ciphers annexed; according to the English notation, a number produced by involving a million to the fifth power, or a unit with thirty ciphers annexed. See the Note under Numeration."

Quintilllion has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings quinti & lion which should not be misspelled with single 'L'
Wrong Spelling:  quinti-l-lion 
Correct Spelling:  quinti-ll-lion 
Check more misspelled words of Quintilllion to spell it correct.