113304210021 has 8 divisors (see below), whose sum is σ = 167858088960. Its totient is φ = 75536139996.

The previous prime is 113304210013. The next prime is 113304210043. The reversal of 113304210021 is 120012403311.

It is not a de Polignac number, because 113304210021 - 2³ = 113304210013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113304209976 and 113304210003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113304210011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2098226085 + ... + 2098226138.

It is an arithmetic number, because the mean of its divisors is an integer number (20982261120).

Almost surely, 2^113304210021 is an apocalyptic number.

It is an amenable number.

113304210021 is a deficient number, since it is larger than the sum of its proper divisors (54553878939).

113304210021 is an equidigital number, since it uses as much as digits as its factorization.

113304210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196452232 (or 4196452226 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 113304210021 its reverse (120012403311), we get a palindrome (233316613332).

The spelling of 113304210021 in words is "one hundred thirteen billion, three hundred four million, two hundred ten thousand, twenty-one".