113120003321 has 4 divisors (see below), whose sum is σ = 121821542052. Its totient is φ = 104418464592.

The previous prime is 113120003317. The next prime is 113120003357. The reversal of 113120003321 is 123300021311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123300021311 = 245911 ⋅501401.

It can be written as a sum of positive squares in 2 ways, for example, as 74482597225 + 38637406096 = 272915^2 + 196564^2 .

It is not a de Polignac number, because 113120003321 - 2² = 113120003317 is a prime.

It is a super-2 number, since 2×113120003321² (a number of 23 digits) contains 22 as substring.

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 113120003321.

It is not an unprimeable number, because it can be changed into a prime (113120003021) 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, 4350769346 + ... + 4350769371.

It is an arithmetic number, because the mean of its divisors is an integer number (30455385513).

Almost surely, 2^113120003321 is an apocalyptic number.

It is an amenable number.

113120003321 is a deficient number, since it is larger than the sum of its proper divisors (8701538731).

113120003321 is an equidigital number, since it uses as much as digits as its factorization.

113120003321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8701538730.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 113120003321 its reverse (123300021311), we get a palindrome (236420024632).

The spelling of 113120003321 in words is "one hundred thirteen billion, one hundred twenty million, three thousand, three hundred twenty-one".