111100012012 has 48 divisors (see below), whose sum is σ = 212609148192. Its totient is φ = 50378964480.

The previous prime is 111100012003. The next prime is 111100012027. The reversal of 111100012012 is 210210001111.

It is a self number, because there is not a number n which added to its sum of digits gives 111100012012.

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, 46425888 + ... + 46428280.

It is an arithmetic number, because the mean of its divisors is an integer number (4429357254).

Almost surely, 2^111100012012 is an apocalyptic number.

It is an amenable number.

111100012012 is a deficient number, since it is larger than the sum of its proper divisors (101509136180).

111100012012 is a wasteful number, since it uses less digits than its factorization.

111100012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4498 (or 4496 counting only the distinct ones).

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

Adding to 111100012012 its reverse (210210001111), we get a palindrome (321310013123).

The spelling of 111100012012 in words is "one hundred eleven billion, one hundred million, twelve thousand, twelve".