113221121303 has 16 divisors (see below), whose sum is σ = 120441297600. Its totient is φ = 106064265216.

The previous prime is 113221121297. The next prime is 113221121309. The reversal of 113221121303 is 303121122311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (113221121297) and next prime (113221121309).

It is a cyclic number.

It is not a de Polignac number, because 113221121303 - 2⁴ = 113221121287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113221121309) 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 15 ways as a sum of consecutive naturals, for example, 3415175 + ... + 3448167.

It is an arithmetic number, because the mean of its divisors is an integer number (7527581100).

Almost surely, 2^113221121303 is an apocalyptic number.

113221121303 is a deficient number, since it is larger than the sum of its proper divisors (7220176297).

113221121303 is a wasteful number, since it uses less digits than its factorization.

113221121303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33946.

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

Adding to 113221121303 its reverse (303121122311), we get a palindrome (416342243614).

The spelling of 113221121303 in words is "one hundred thirteen billion, two hundred twenty-one million, one hundred twenty-one thousand, three hundred three".