113221101223 has 4 divisors (see below), whose sum is σ = 113694829920. Its totient is φ = 112747372528.

The previous prime is 113221101163. The next prime is 113221101233. The reversal of 113221101223 is 322101122311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113221101223 is a prime.

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 113221101223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113221101233) 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, 236863990 + ... + 236864467.

It is an arithmetic number, because the mean of its divisors is an integer number (28423707480).

Almost surely, 2^113221101223 is an apocalyptic number.

113221101223 is a deficient number, since it is larger than the sum of its proper divisors (473728697).

113221101223 is an equidigital number, since it uses as much as digits as its factorization.

113221101223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473728696.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 113221101223 its reverse (322101122311), we get a palindrome (435322223534).

The spelling of 113221101223 in words is "one hundred thirteen billion, two hundred twenty-one million, one hundred one thousand, two hundred twenty-three".