It is an unprimeable number.
Almost surely, 21116122112 is an apocalyptic number.
1116122112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1116122112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1938918400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1116122112 is an equidigital number, since it uses as much as digits as its factorization.
1116122112 is an odious number, because the sum of its binary digits is odd.
The square root of 1116122112 is about 33408.4137905408. The cubic root of 1116122112 is about 1037.2988682929.
Adding to 1116122112 its reverse (2112216111), we get a palindrome (3228338223).
The spelling of 1116122112 in words is "one billion, one hundred sixteen million, one hundred twenty-two thousand, one hundred twelve".