111110111010012 has 12 divisors (see below), whose sum is σ = 259256925690056. Its totient is φ = 37036703670000.

The previous prime is 111110111009869. The next prime is 111110111010109. The reversal of 111110111010012 is 210010111011111.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 9259175917501 = 111110111010012 / (1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 0 + 1 + 0 + 0 + 1 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 111110111010012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4629587958739 + ... + 4629587958762.

Almost surely, 2^{111110111010012} is an apocalyptic number.

111110111010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111110111010012 is an abundant number, since it is smaller than the sum of its proper divisors (148146814680044).

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

111110111010012 is a wasteful number, since it uses less digits than its factorization.

111110111010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9259175917508 (or 9259175917506 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 111110111010012 its reverse (210010111011111), we get a palindrome (321120222021123).

The spelling of 111110111010012 in words is "one hundred eleven trillion, one hundred ten billion, one hundred eleven million, ten thousand, twelve".