111112112212 has 6 divisors (see below), whose sum is σ = 194446196378. Its totient is φ = 55556056104.

The previous prime is 111112112179. The next prime is 111112112227. The reversal of 111112112212 is 212211211111.

It can be written as a sum of positive squares in only one way, i.e., 107278521156 + 3833591056 = 327534^2 + 61916^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13889014023 + ... + 13889014030.

Almost surely, 2^111112112212 is an apocalyptic number.

It is an amenable number.

111112112212 is a deficient number, since it is larger than the sum of its proper divisors (83334084166).

111112112212 is a wasteful number, since it uses less digits than its factorization.

111112112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27778028057 (or 27778028055 counting only the distinct ones).

The product of its digits is 16, while the sum is 16.

Adding to 111112112212 its reverse (212211211111), we get a palindrome (323323323323).

The spelling of 111112112212 in words is "one hundred eleven billion, one hundred twelve million, one hundred twelve thousand, two hundred twelve".