113033320121 has 4 divisors (see below), whose sum is σ = 113753277732. Its totient is φ = 112313362512.

The previous prime is 113033320069. The next prime is 113033320177. The reversal of 113033320121 is 121023330311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121023330311 = 13 ⋅9309486947.

It can be written as a sum of positive squares in 2 ways, for example, as 39774319225 + 73259000896 = 199435^2 + 270664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113033320121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113033320093 and 113033320102.

It is not an unprimeable number, because it can be changed into a prime (113033326121) 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, 359978570 + ... + 359978883.

It is an arithmetic number, because the mean of its divisors is an integer number (28438319433).

Almost surely, 2^113033320121 is an apocalyptic number.

It is an amenable number.

113033320121 is a deficient number, since it is larger than the sum of its proper divisors (719957611).

113033320121 is an equidigital number, since it uses as much as digits as its factorization.

113033320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719957610.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 113033320121 its reverse (121023330311), we get a palindrome (234056650432).

The spelling of 113033320121 in words is "one hundred thirteen billion, thirty-three million, three hundred twenty thousand, one hundred twenty-one".