113010311121209 has 2 divisors, whose sum is σ = 113010311121210. Its totient is φ = 113010311121208.

The previous prime is 113010311121199. The next prime is 113010311121221. The reversal of 113010311121209 is 902121113010311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75880824121600 + 37129486999609 = 8710960^2 + 6093397^2 .

It is a cyclic number.

It is not a de Polignac number, because 113010311121209 - 2²⁰ = 113010310072633 is a prime.

It is not a weakly prime, because it can be changed into another prime (113010311120209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56505155560604 + 56505155560605.

It is an arithmetic number, because the mean of its divisors is an integer number (56505155560605).

Almost surely, 2^{113010311121209} is an apocalyptic number.

It is an amenable number.

113010311121209 is a deficient number, since it is larger than the sum of its proper divisors (1).

113010311121209 is an equidigital number, since it uses as much as digits as its factorization.

113010311121209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 113010311121209 in words is "one hundred thirteen trillion, ten billion, three hundred eleven million, one hundred twenty-one thousand, two hundred nine".