113101343021 has 2 divisors, whose sum is σ = 113101343022. Its totient is φ = 113101343020.

The previous prime is 113101342999. The next prime is 113101343029. The reversal of 113101343021 is 120343101311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63244705225 + 49856637796 = 251485^2 + 223286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113101343021 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 113101342984 and 113101343002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113101343029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56550671510 + 56550671511.

It is an arithmetic number, because the mean of its divisors is an integer number (56550671511).

Almost surely, 2^113101343021 is an apocalyptic number.

It is an amenable number.

113101343021 is a deficient number, since it is larger than the sum of its proper divisors (1).

113101343021 is an equidigital number, since it uses as much as digits as its factorization.

113101343021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 113101343021 its reverse (120343101311), we get a palindrome (233444444332).

The spelling of 113101343021 in words is "one hundred thirteen billion, one hundred one million, three hundred forty-three thousand, twenty-one".