113110300212121 has 4 divisors (see below), whose sum is σ = 113445939085492. Its totient is φ = 112774661338752.

The previous prime is 113110300212101. The next prime is 113110300212127. The reversal of 113110300212121 is 121212003011311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20535806406025 + 92574493806096 = 4531645^2 + 9621564^2 .

It is a cyclic number.

It is not a de Polignac number, because 113110300212121 - 2²⁷ = 113110165994393 is a prime.

It is a super-2 number, since 2×113110300212121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113110300212127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167819436180 + ... + 167819436853.

It is an arithmetic number, because the mean of its divisors is an integer number (28361484771373).

Almost surely, 2^{113110300212121} is an apocalyptic number.

It is an amenable number.

113110300212121 is a deficient number, since it is larger than the sum of its proper divisors (335638873371).

113110300212121 is an equidigital number, since it uses as much as digits as its factorization.

113110300212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335638873370.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 113110300212121 its reverse (121212003011311), we get a palindrome (234322303223432).

The spelling of 113110300212121 in words is "one hundred thirteen trillion, one hundred ten billion, three hundred million, two hundred twelve thousand, one hundred twenty-one".