111111000111112 has 16 divisors (see below), whose sum is σ = 210176781185340. Its totient is φ = 55063858461696.

The previous prime is 111111000111109. The next prime is 111111000111151. The reversal of 111111000111112 is 211111000111111.

It can be written as a sum of positive squares in 2 ways, for example, as 103912865262756 + 7198134848356 = 10193766^2 + 2682934^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111111000111092 and 111111000111101.

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, 61455198273 + ... + 61455200080.

Almost surely, 2^{111111000111112} is an apocalyptic number.

It is an amenable number.

111111000111112 is a deficient number, since it is larger than the sum of its proper divisors (99065781074228).

111111000111112 is a wasteful number, since it uses less digits than its factorization.

111111000111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122910398472 (or 122910398468 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 13.

Adding to 111111000111112 its reverse (211111000111111), we get a palindrome (322222000222223).

Subtracting 111111000111112 from its reverse (211111000111111), we obtain a palindrome (99999999999999).

The spelling of 111111000111112 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred eleven thousand, one hundred twelve".