113221203113 has 4 divisors (see below), whose sum is σ = 113230856448. Its totient is φ = 113211549780.

The previous prime is 113221203097. The next prime is 113221203127. The reversal of 113221203113 is 311302122311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311302122311 = 67 ⋅4646300333.

It is a cyclic number.

It is not a de Polignac number, because 113221203113 - 2⁴ = 113221203097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113221203163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4809053 + ... + 4832538.

It is an arithmetic number, because the mean of its divisors is an integer number (28307714112).

Almost surely, 2^113221203113 is an apocalyptic number.

It is an amenable number.

113221203113 is a deficient number, since it is larger than the sum of its proper divisors (9653335).

113221203113 is an equidigital number, since it uses as much as digits as its factorization.

113221203113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9653334.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 113221203113 its reverse (311302122311), we get a palindrome (424523325424).

The spelling of 113221203113 in words is "one hundred thirteen billion, two hundred twenty-one million, two hundred three thousand, one hundred thirteen".