133231111112 has 32 divisors (see below), whose sum is σ = 275216400000. Its totient is φ = 59959992000.

The previous prime is 133231111103. The next prime is 133231111141. The reversal of 133231111112 is 211111132331.

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, 7486112 + ... + 7503887.

It is an arithmetic number, because the mean of its divisors is an integer number (8600512500).

Almost surely, 2^133231111112 is an apocalyptic number.

It is an amenable number.

133231111112 is an abundant number, since it is smaller than the sum of its proper divisors (141985288888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133231111112 is a wasteful number, since it uses less digits than its factorization.

133231111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14990117 (or 14990113 counting only the distinct ones).

The product of its digits is 108, while the sum is 20.

Adding to 133231111112 its reverse (211111132331), we get a palindrome (344342243443).

The spelling of 133231111112 in words is "one hundred thirty-three billion, two hundred thirty-one million, one hundred eleven thousand, one hundred twelve".