223311222113321 has 4 divisors (see below), whose sum is σ = 227524641398532. Its totient is φ = 219097802828112.

The previous prime is 223311222113297. The next prime is 223311222113327. The reversal of 223311222113321 is 123311222113322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 176992158745600 + 46319063367721 = 13303840^2 + 6805811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223311222113321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223311222113327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2106709642526 + ... + 2106709642631.

It is an arithmetic number, because the mean of its divisors is an integer number (56881160349633).

Almost surely, 2^{223311222113321} is an apocalyptic number.

It is an amenable number.

223311222113321 is a deficient number, since it is larger than the sum of its proper divisors (4213419285211).

223311222113321 is an equidigital number, since it uses as much as digits as its factorization.

223311222113321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213419285210.

The product of its digits is 5184, while the sum is 29.

Adding to 223311222113321 its reverse (123311222113322), we get a palindrome (346622444226643).

Subtracting from 223311222113321 its reverse (123311222113322), we obtain a palindrome (99999999999999).

The spelling of 223311222113321 in words is "two hundred twenty-three trillion, three hundred eleven billion, two hundred twenty-two million, one hundred thirteen thousand, three hundred twenty-one".