Consecutive numbers 111,111,111 * 111,111,111 = 12,345,678,987,654,321 or 12 quadrillion 345 trillion 678 billion 987 million 654 thousand 321. More from my siteConsecutive numbers on the calendarWho was the heaviest rikishi ever in sumo?How were spike-studded dog collars invented?Gillette sales in their first year.What is the most banned book of the decade?How many bones are there in the human skull?