111312133101 has 48 divisors (see below), whose sum is σ = 178873676800. Its totient is φ = 66239700480.

The previous prime is 111312133091. The next prime is 111312133109. The reversal of 111312133101 is 101331213111.

111312133101 is a `hidden beast` number, since 11 + 131 + 213 + 310 + 1 = 666.

It is not a de Polignac number, because 111312133101 - 2¹⁷ = 111312002029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312133109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5063205 + ... + 5085141.

Almost surely, 2^111312133101 is an apocalyptic number.

It is an amenable number.

111312133101 is a deficient number, since it is larger than the sum of its proper divisors (67561543699).

111312133101 is a wasteful number, since it uses less digits than its factorization.

111312133101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23386 (or 23383 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 111312133101 its reverse (101331213111), we get a palindrome (212643346212).

The spelling of 111312133101 in words is "one hundred eleven billion, three hundred twelve million, one hundred thirty-three thousand, one hundred one".