113021010321 has 4 divisors (see below), whose sum is σ = 150694680432. Its totient is φ = 75347340212.

The previous prime is 113021010259. The next prime is 113021010331. The reversal of 113021010321 is 123010120311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113021010321 - 2¹⁷ = 113020879249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113021010321.

It is not an unprimeable number, because it can be changed into a prime (113021010331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18836835051 + ... + 18836835056.

It is an arithmetic number, because the mean of its divisors is an integer number (37673670108).

Almost surely, 2^113021010321 is an apocalyptic number.

It is an amenable number.

113021010321 is a deficient number, since it is larger than the sum of its proper divisors (37673670111).

113021010321 is an equidigital number, since it uses as much as digits as its factorization.

113021010321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37673670110.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 113021010321 its reverse (123010120311), we get a palindrome (236031130632).

The spelling of 113021010321 in words is "one hundred thirteen billion, twenty-one million, ten thousand, three hundred twenty-one".