113112231322021 has 2 divisors, whose sum is σ = 113112231322022. Its totient is φ = 113112231322020.

The previous prime is 113112231321997. The next prime is 113112231322037. The reversal of 113112231322021 is 120223132211311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87614074137121 + 25498157184900 = 9360239^2 + 5049570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113112231322021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113112231322061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56556115661010 + 56556115661011.

It is an arithmetic number, because the mean of its divisors is an integer number (56556115661011).

Almost surely, 2^{113112231322021} is an apocalyptic number.

It is an amenable number.

113112231322021 is a deficient number, since it is larger than the sum of its proper divisors (1).

113112231322021 is an equidigital number, since it uses as much as digits as its factorization.

113112231322021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 113112231322021 its reverse (120223132211311), we get a palindrome (233335363533332).

The spelling of 113112231322021 in words is "one hundred thirteen trillion, one hundred twelve billion, two hundred thirty-one million, three hundred twenty-two thousand, twenty-one".