113312122332121 has 4 divisors (see below), whose sum is σ = 119977541292852. Its totient is φ = 106646703371392.

The previous prime is 113312122332109. The next prime is 113312122332137. The reversal of 113312122332121 is 121233221213311.

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 48827448176896 + 64484674155225 = 6987664^2 + 8030235^2 .

It is a cyclic number.

It is not a de Polignac number, because 113312122332121 - 2¹³ = 113312122323929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113312122332121.

It is not an unprimeable number, because it can be changed into a prime (113312122332221) 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, 3332709480340 + ... + 3332709480373.

It is an arithmetic number, because the mean of its divisors is an integer number (29994385323213).

Almost surely, 2^{113312122332121} is an apocalyptic number.

It is an amenable number.

113312122332121 is a deficient number, since it is larger than the sum of its proper divisors (6665418960731).

113312122332121 is an equidigital number, since it uses as much as digits as its factorization.

113312122332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665418960730.

The product of its digits is 2592, while the sum is 28.

Adding to 113312122332121 its reverse (121233221213311), we get a palindrome (234545343545432).

The spelling of 113312122332121 in words is "one hundred thirteen trillion, three hundred twelve billion, one hundred twenty-two million, three hundred thirty-two thousand, one hundred twenty-one".