113331034042021 has 2 divisors, whose sum is σ = 113331034042022. Its totient is φ = 113331034042020.

The previous prime is 113331034041997. The next prime is 113331034042067. The reversal of 113331034042021 is 120240430133311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79526461253121 + 33804572788900 = 8917761^2 + 5814170^2 .

It is a cyclic number.

It is not a de Polignac number, because 113331034042021 - 2³³ = 113322444107429 is a prime.

It is a super-2 number, since 2×113331034042021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113331034042081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56665517021010 + 56665517021011.

It is an arithmetic number, because the mean of its divisors is an integer number (56665517021011).

Almost surely, 2^{113331034042021} is an apocalyptic number.

It is an amenable number.

113331034042021 is a deficient number, since it is larger than the sum of its proper divisors (1).

113331034042021 is an equidigital number, since it uses as much as digits as its factorization.

113331034042021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 113331034042021 its reverse (120240430133311), we get a palindrome (233571464175332).

The spelling of 113331034042021 in words is "one hundred thirteen trillion, three hundred thirty-one billion, thirty-four million, forty-two thousand, twenty-one".