113221009037 has 2 divisors, whose sum is σ = 113221009038. Its totient is φ = 113221009036.

The previous prime is 113221009019. The next prime is 113221009039. The reversal of 113221009037 is 730900122311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94114581961 + 19106427076 = 306781^2 + 138226^2 .

It is a cyclic number.

It is not a de Polignac number, because 113221009037 - 2⁸ = 113221008781 is a prime.

Together with 113221009039, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113221009039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56610504518 + 56610504519.

It is an arithmetic number, because the mean of its divisors is an integer number (56610504519).

Almost surely, 2^113221009037 is an apocalyptic number.

It is an amenable number.

113221009037 is a deficient number, since it is larger than the sum of its proper divisors (1).

113221009037 is an equidigital number, since it uses as much as digits as its factorization.

113221009037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The spelling of 113221009037 in words is "one hundred thirteen billion, two hundred twenty-one million, nine thousand, thirty-seven".