113331231122021 has 16 divisors (see below), whose sum is σ = 123781720226688. Its totient is φ = 102905421696000.

The previous prime is 113331231121987. The next prime is 113331231122033. The reversal of 113331231122021 is 120221132133311.

It is not a de Polignac number, because 113331231122021 - 2¹⁴ = 113331231105637 is a prime.

It is a super-2 number, since 2×113331231122021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113331231122041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30011696 + ... + 33576246.

It is an arithmetic number, because the mean of its divisors is an integer number (7736357514168).

Almost surely, 2^{113331231122021} is an apocalyptic number.

113331231122021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113331231122021 is a deficient number, since it is larger than the sum of its proper divisors (10450489104667).

113331231122021 is a wasteful number, since it uses less digits than its factorization.

113331231122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568012.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 113331231122021 its reverse (120221132133311), we get a palindrome (233552363255332).

The spelling of 113331231122021 in words is "one hundred thirteen trillion, three hundred thirty-one billion, two hundred thirty-one million, one hundred twenty-two thousand, twenty-one".