113199233021 has 24 divisors (see below), whose sum is σ = 139544762040. Its totient is φ = 91243041792.

The previous prime is 113199233003. The next prime is 113199233039. The reversal of 113199233021 is 120332991311.

It is an interprime number because it is at equal distance from previous prime (113199233003) and next prime (113199233039).

It can be written as a sum of positive squares in 4 ways, for example, as 4044324025 + 109154908996 = 63595^2 + 330386^2 .

It is a de Polignac number, because none of the positive numbers 2^k-113199233021 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 (113199232021) 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, 936815 + ... + 1050723.

It is an arithmetic number, because the mean of its divisors is an integer number (5814365085).

Almost surely, 2^113199233021 is an apocalyptic number.

It is an amenable number.

113199233021 is a deficient number, since it is larger than the sum of its proper divisors (26345529019).

113199233021 is a wasteful number, since it uses less digits than its factorization.

113199233021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115133 (or 115126 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 35.

The spelling of 113199233021 in words is "one hundred thirteen billion, one hundred ninety-nine million, two hundred thirty-three thousand, twenty-one".