113202330021 has 24 divisors (see below), whose sum is σ = 183200500704. Its totient is φ = 66753214560.

The previous prime is 113202329987. The next prime is 113202330023. The reversal of 113202330021 is 120033202311.

113202330021 is a `hidden beast` number, since 1 + 1 + 320 + 23 + 300 + 21 = 666.

It is not a de Polignac number, because 113202330021 - 2¹⁸ = 113202067877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113202329976 and 113202330003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113202330023) 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, 15448471 + ... + 15455796.

It is an arithmetic number, because the mean of its divisors is an integer number (7633354196).

Almost surely, 2^113202330021 is an apocalyptic number.

113202330021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113202330021 is a deficient number, since it is larger than the sum of its proper divisors (69998170683).

113202330021 is a wasteful number, since it uses less digits than its factorization.

113202330021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30904321 (or 30904318 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 113202330021 its reverse (120033202311), we get a palindrome (233235532332).

The spelling of 113202330021 in words is "one hundred thirteen billion, two hundred two million, three hundred thirty thousand, twenty-one".