111210120212 has 24 divisors (see below), whose sum is σ = 195250033440. Its totient is φ = 55424626400.

The previous prime is 111210120193. The next prime is 111210120227. The reversal of 111210120212 is 212021012111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1961462 + ... + 2017362.

It is an arithmetic number, because the mean of its divisors is an integer number (8135418060).

Almost surely, 2^111210120212 is an apocalyptic number.

It is an amenable number.

111210120212 is a deficient number, since it is larger than the sum of its proper divisors (84039913228).

111210120212 is a wasteful number, since it uses less digits than its factorization.

111210120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57511 (or 57509 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111210120212 its reverse (212021012111), we get a palindrome (323231132323).

The spelling of 111210120212 in words is "one hundred eleven billion, two hundred ten million, one hundred twenty thousand, two hundred twelve".