111111022112 has 24 divisors (see below), whose sum is σ = 218759901696. Its totient is φ = 55552951872.

The previous prime is 111111022097. The next prime is 111111022123. The reversal of 111111022112 is 211220111111.

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, 761873 + ... + 895919.

It is an arithmetic number, because the mean of its divisors is an integer number (9114995904).

Almost surely, 2^111111022112 is an apocalyptic number.

It is an amenable number.

111111022112 is a deficient number, since it is larger than the sum of its proper divisors (107648879584).

111111022112 is a wasteful number, since it uses less digits than its factorization.

111111022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159960 (or 159952 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111111022112 its reverse (211220111111), we get a palindrome (322331133223).

The spelling of 111111022112 in words is "one hundred eleven billion, one hundred eleven million, twenty-two thousand, one hundred twelve".