223320330211221 has 12 divisors (see below), whose sum is σ = 326460241755648. Its totient is φ = 147086482548264.

The previous prime is 223320330211193. The next prime is 223320330211267. The reversal of 223320330211221 is 122112033023322.

223320330211221 is a `hidden beast` number, since 2 + 2 + 3 + 320 + 3 + 302 + 1 + 12 + 21 = 666.

It is not a de Polignac number, because 223320330211221 - 2⁷ = 223320330211093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223320330211421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149478131925 + ... + 149478133418.

It is an arithmetic number, because the mean of its divisors is an integer number (27205020146304).

Almost surely, 2^{223320330211221} is an apocalyptic number.

It is an amenable number.

223320330211221 is a deficient number, since it is larger than the sum of its proper divisors (103139911544427).

223320330211221 is a wasteful number, since it uses less digits than its factorization.

223320330211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298956265432 (or 298956265429 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 223320330211221 its reverse (122112033023322), we get a palindrome (345432363234543).

The spelling of 223320330211221 in words is "two hundred twenty-three trillion, three hundred twenty billion, three hundred thirty million, two hundred eleven thousand, two hundred twenty-one".