113312300321021 has 2 divisors, whose sum is σ = 113312300321022. Its totient is φ = 113312300321020.

The previous prime is 113312300320907. The next prime is 113312300321063. The reversal of 113312300321021 is 120123003213311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107031211756921 + 6281088564100 = 10345589^2 + 2506210^2 .

It is a cyclic number.

It is not a de Polignac number, because 113312300321021 - 2¹⁸ = 113312300058877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113312300341021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56656150160510 + 56656150160511.

It is an arithmetic number, because the mean of its divisors is an integer number (56656150160511).

Almost surely, 2^{113312300321021} is an apocalyptic number.

It is an amenable number.

113312300321021 is a deficient number, since it is larger than the sum of its proper divisors (1).

113312300321021 is an equidigital number, since it uses as much as digits as its factorization.

113312300321021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 113312300321021 its reverse (120123003213311), we get a palindrome (233435303534332).

The spelling of 113312300321021 in words is "one hundred thirteen trillion, three hundred twelve billion, three hundred million, three hundred twenty-one thousand, twenty-one".