113221012937 has 2 divisors, whose sum is σ = 113221012938. Its totient is φ = 113221012936.

The previous prime is 113221012897. The next prime is 113221012967. The reversal of 113221012937 is 739210122311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100638679696 + 12582333241 = 317236^2 + 112171^2 .

It is a cyclic number.

It is not a de Polignac number, because 113221012937 - 2²² = 113216818633 is a prime.

It is not a weakly prime, because it can be changed into another prime (113221012967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56610506468 + 56610506469.

It is an arithmetic number, because the mean of its divisors is an integer number (56610506469).

Almost surely, 2^113221012937 is an apocalyptic number.

It is an amenable number.

113221012937 is a deficient number, since it is larger than the sum of its proper divisors (1).

113221012937 is an equidigital number, since it uses as much as digits as its factorization.

113221012937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 113221012937 in words is "one hundred thirteen billion, two hundred twenty-one million, twelve thousand, nine hundred thirty-seven".