111010120012 has 48 divisors (see below), whose sum is σ = 214647380640. Its totient is φ = 49815129600.

The previous prime is 111010119989. The next prime is 111010120027. The reversal of 111010120012 is 210021010111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1286712 + ... + 1370272.

It is an arithmetic number, because the mean of its divisors is an integer number (4471820430).

Almost surely, 2^111010120012 is an apocalyptic number.

It is an amenable number.

111010120012 is a deficient number, since it is larger than the sum of its proper divisors (103637260628).

111010120012 is a wasteful number, since it uses less digits than its factorization.

111010120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83962 (or 83960 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111010120012 its reverse (210021010111), we get a palindrome (321031130123).

The spelling of 111010120012 in words is "one hundred eleven billion, ten million, one hundred twenty thousand, twelve".