113331321021021 has 16 divisors (see below), whose sum is σ = 151476905303040. Its totient is φ = 75370155920640.

The previous prime is 113331321021011. The next prime is 113331321021047. The reversal of 113331321021021 is 120120123133311.

It is not a de Polignac number, because 113331321021021 - 2⁹ = 113331321020509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113331321020982 and 113331321021000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113331321021011) 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, 20056000 + ... + 25077993.

It is an arithmetic number, because the mean of its divisors is an integer number (9467306581440).

Almost surely, 2^{113331321021021} is an apocalyptic number.

It is an amenable number.

113331321021021 is a deficient number, since it is larger than the sum of its proper divisors (38145584282019).

113331321021021 is a wasteful number, since it uses less digits than its factorization.

113331321021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45136036.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 113331321021021 its reverse (120120123133311), we get a palindrome (233451444154332).

The spelling of 113331321021021 in words is "one hundred thirteen trillion, three hundred thirty-one billion, three hundred twenty-one million, twenty-one thousand, twenty-one".