321220132230022 has 16 divisors (see below), whose sum is σ = 494898786072432. Its totient is φ = 156254679853920.

The previous prime is 321220132229869. The next prime is 321220132230047. The reversal of 321220132230022 is 220032231022123.

It is a congruent number.

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, 201613129 + ... + 203200132.

It is an arithmetic number, because the mean of its divisors is an integer number (30931174129527).

Almost surely, 2^{321220132230022} is an apocalyptic number.

321220132230022 is a deficient number, since it is larger than the sum of its proper divisors (173678653842410).

321220132230022 is a wasteful number, since it uses less digits than its factorization.

321220132230022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404824023.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 321220132230022 its reverse (220032231022123), we get a palindrome (541252363252145).

The spelling of 321220132230022 in words is "three hundred twenty-one trillion, two hundred twenty billion, one hundred thirty-two million, two hundred thirty thousand, twenty-two".