113101210109 has 2 divisors, whose sum is σ = 113101210110. Its totient is φ = 113101210108.

The previous prime is 113101210087. The next prime is 113101210133. The reversal of 113101210109 is 901012101311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63139125625 + 49962084484 = 251275^2 + 223522^2 .

It is a cyclic number.

It is not a de Polignac number, because 113101210109 - 2¹² = 113101206013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113101219109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56550605054 + 56550605055.

It is an arithmetic number, because the mean of its divisors is an integer number (56550605055).

Almost surely, 2^113101210109 is an apocalyptic number.

It is an amenable number.

113101210109 is a deficient number, since it is larger than the sum of its proper divisors (1).

113101210109 is an equidigital number, since it uses as much as digits as its factorization.

113101210109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 20.

The spelling of 113101210109 in words is "one hundred thirteen billion, one hundred one million, two hundred ten thousand, one hundred nine".