113020120321057 has 2 divisors, whose sum is σ = 113020120321058. Its totient is φ = 113020120321056.

The previous prime is 113020120321051. The next prime is 113020120321111. The reversal of 113020120321057 is 750123021020311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106311792399121 + 6708327921936 = 10310761^2 + 2590044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113020120321057 is a prime.

It is not a weakly prime, because it can be changed into another prime (113020120321051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56510060160528 + 56510060160529.

It is an arithmetic number, because the mean of its divisors is an integer number (56510060160529).

Almost surely, 2^{113020120321057} is an apocalyptic number.

It is an amenable number.

113020120321057 is a deficient number, since it is larger than the sum of its proper divisors (1).

113020120321057 is an equidigital number, since it uses as much as digits as its factorization.

113020120321057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

Adding to 113020120321057 its reverse (750123021020311), we get a palindrome (863143141341368).

The spelling of 113020120321057 in words is "one hundred thirteen trillion, twenty billion, one hundred twenty million, three hundred twenty-one thousand, fifty-seven".