113240523221 has 16 divisors (see below), whose sum is σ = 134553014400. Its totient is φ = 93282520320.

The previous prime is 113240523167. The next prime is 113240523239. The reversal of 113240523221 is 122325042311.

It is a cyclic number.

It is not a de Polignac number, because 113240523221 - 2²² = 113236328917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113240523421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2925296 + ... + 2963753.

It is an arithmetic number, because the mean of its divisors is an integer number (8409563400).

Almost surely, 2^113240523221 is an apocalyptic number.

It is an amenable number.

113240523221 is a deficient number, since it is larger than the sum of its proper divisors (21312491179).

113240523221 is an equidigital number, since it uses as much as digits as its factorization.

113240523221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5889164.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 113240523221 its reverse (122325042311), we get a palindrome (235565565532).

The spelling of 113240523221 in words is "one hundred thirteen billion, two hundred forty million, five hundred twenty-three thousand, two hundred twenty-one".