113110021212109 has 2 divisors, whose sum is σ = 113110021212110. Its totient is φ = 113110021212108.

The previous prime is 113110021212077. The next prime is 113110021212119. The reversal of 113110021212109 is 901212120011311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100273586868900 + 12836434343209 = 10013670^2 + 3582797^2 .

It is a cyclic number.

It is not a de Polignac number, because 113110021212109 - 2⁵ = 113110021212077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113110021212119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56555010606054 + 56555010606055.

It is an arithmetic number, because the mean of its divisors is an integer number (56555010606055).

Almost surely, 2^{113110021212109} is an apocalyptic number.

It is an amenable number.

113110021212109 is a deficient number, since it is larger than the sum of its proper divisors (1).

113110021212109 is an equidigital number, since it uses as much as digits as its factorization.

113110021212109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 25.

The spelling of 113110021212109 in words is "one hundred thirteen trillion, one hundred ten billion, twenty-one million, two hundred twelve thousand, one hundred nine".