111100101001012 has 24 divisors (see below), whose sum is σ = 194817332276000. Its totient is φ = 55438008953760.

The previous prime is 111100101000949. The next prime is 111100101001031. The reversal of 111100101001012 is 210100101001111.

It is a self number, because there is not a number n which added to its sum of digits gives 111100101001012.

It is a congruent number.

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, 174953818 + ... + 175587694.

Almost surely, 2^{111100101001012} is an apocalyptic number.

It is an amenable number.

111100101001012 is a deficient number, since it is larger than the sum of its proper divisors (83717231274988).

111100101001012 is a wasteful number, since it uses less digits than its factorization.

111100101001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722191 (or 722189 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 111100101001012 its reverse (210100101001111), we get a palindrome (321200202002123).

Subtracting 111100101001012 from its reverse (210100101001111), we obtain a palindrome (99000000000099).

The spelling of 111100101001012 in words is "one hundred eleven trillion, one hundred billion, one hundred one million, one thousand, twelve".