111011100312012 has 24 divisors (see below), whose sum is σ = 274262718418416. Its totient is φ = 34827011862528.

The previous prime is 111011100311989. The next prime is 111011100312059. The reversal of 111011100312012 is 210213001110111.

It is a junction number, because it is equal to n+sod(n) for n = 111011100311982 and 111011100312000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272086029973 + ... + 272086030380.

It is an arithmetic number, because the mean of its divisors is an integer number (11427613267434).

Almost surely, 2^{111011100312012} is an apocalyptic number.

111011100312012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111011100312012 is an abundant number, since it is smaller than the sum of its proper divisors (163251618106404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111011100312012 is a wasteful number, since it uses less digits than its factorization.

111011100312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544172060377 (or 544172060375 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 111011100312012 its reverse (210213001110111), we get a palindrome (321224101422123).

The spelling of 111011100312012 in words is "one hundred eleven trillion, eleven billion, one hundred million, three hundred twelve thousand, twelve".