223031221122 has 16 divisors (see below), whose sum is σ = 465456461760. Its totient is φ = 71111403792.

The previous prime is 223031221109. The next prime is 223031221159. The reversal of 223031221122 is 221122130322.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808083997 + ... + 808084272.

It is an arithmetic number, because the mean of its divisors is an integer number (29091028860).

Almost surely, 2^223031221122 is an apocalyptic number.

223031221122 is an abundant number, since it is smaller than the sum of its proper divisors (242425240638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223031221122 is a wasteful number, since it uses less digits than its factorization.

223031221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616168297.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 223031221122 its reverse (221122130322), we get a palindrome (444153351444).

It can be divided in two parts, 223031 and 221122, that added together give a triangular number (444153 = T₉₄₂).

The spelling of 223031221122 in words is "two hundred twenty-three billion, thirty-one million, two hundred twenty-one thousand, one hundred twenty-two".