111331133212 has 12 divisors (see below), whose sum is σ = 209816366536. Its totient is φ = 51383599920.

The previous prime is 111331133183. The next prime is 111331133227. The reversal of 111331133212 is 212331133111.

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, 1070491614 + ... + 1070491717.

Almost surely, 2^111331133212 is an apocalyptic number.

It is an amenable number.

111331133212 is a deficient number, since it is larger than the sum of its proper divisors (98485233324).

111331133212 is a wasteful number, since it uses less digits than its factorization.

111331133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140983348 (or 2140983346 counting only the distinct ones).

The product of its digits is 324, while the sum is 22.

Adding to 111331133212 its reverse (212331133111), we get a palindrome (323662266323).

The spelling of 111331133212 in words is "one hundred eleven billion, three hundred thirty-one million, one hundred thirty-three thousand, two hundred twelve".