113210299981 has 2 divisors, whose sum is σ = 113210299982. Its totient is φ = 113210299980.

The previous prime is 113210299949. The next prime is 113210300023. The reversal of 113210299981 is 189992012311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111152226025 + 2058073956 = 333395^2 + 45366^2 .

It is a cyclic number.

It is not a de Polignac number, because 113210299981 - 2⁵ = 113210299949 is a prime.

It is a super-2 number, since 2×113210299981² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113210299901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56605149990 + 56605149991.

It is an arithmetic number, because the mean of its divisors is an integer number (56605149991).

Almost surely, 2^113210299981 is an apocalyptic number.

It is an amenable number.

113210299981 is a deficient number, since it is larger than the sum of its proper divisors (1).

113210299981 is an equidigital number, since it uses as much as digits as its factorization.

113210299981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 46.

The spelling of 113210299981 in words is "one hundred thirteen billion, two hundred ten million, two hundred ninety-nine thousand, nine hundred eighty-one".