113221011331 has 4 divisors (see below), whose sum is σ = 113235284232. Its totient is φ = 113206738432.

The previous prime is 113221011329. The next prime is 113221011367. The reversal of 113221011331 is 133110122311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133110122311 = 213229 ⋅624259.

It is a cyclic number.

It is not a de Polignac number, because 113221011331 - 2¹ = 113221011329 is a prime.

It is a super-3 number, since 3×113221011331³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113221011299 and 113221011308.

It is not an unprimeable number, because it can be changed into a prime (113221011311) 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, 7124545 + ... + 7140418.

It is an arithmetic number, because the mean of its divisors is an integer number (28308821058).

Almost surely, 2^113221011331 is an apocalyptic number.

113221011331 is a deficient number, since it is larger than the sum of its proper divisors (14272901).

113221011331 is an equidigital number, since it uses as much as digits as its factorization.

113221011331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14272900.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 113221011331 its reverse (133110122311), we get a palindrome (246331133642).

The spelling of 113221011331 in words is "one hundred thirteen billion, two hundred twenty-one million, eleven thousand, three hundred thirty-one".