111313322012 has 24 divisors (see below), whose sum is σ = 194998177920. Its totient is φ = 55599594480.

The previous prime is 111313322009. The next prime is 111313322059. The reversal of 111313322012 is 210223313111.

It is a happy number.

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, 27777713 + ... + 27781719.

It is an arithmetic number, because the mean of its divisors is an integer number (8124924080).

Almost surely, 2^111313322012 is an apocalyptic number.

It is an amenable number.

111313322012 is a deficient number, since it is larger than the sum of its proper divisors (83684855908).

111313322012 is a wasteful number, since it uses less digits than its factorization.

111313322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9401 (or 9399 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111313322012 its reverse (210223313111), we get a palindrome (321536635123).

The spelling of 111313322012 in words is "one hundred eleven billion, three hundred thirteen million, three hundred twenty-two thousand, twelve".