113133451021 has 24 divisors (see below), whose sum is σ = 122541487200. Its totient is φ = 104393694240.

The previous prime is 113133450979. The next prime is 113133451033. The reversal of 113133451021 is 120154331311.

It is a de Polignac number, because none of the positive numbers 2^k-113133451021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113133451051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2297226 + ... + 2345956.

It is an arithmetic number, because the mean of its divisors is an integer number (5105895300).

Almost surely, 2^113133451021 is an apocalyptic number.

It is an amenable number.

113133451021 is a deficient number, since it is larger than the sum of its proper divisors (9408036179).

113133451021 is a wasteful number, since it uses less digits than its factorization.

113133451021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48937 (or 48918 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 113133451021 its reverse (120154331311), we get a palindrome (233287782332).

The spelling of 113133451021 in words is "one hundred thirteen billion, one hundred thirty-three million, four hundred fifty-one thousand, twenty-one".