321121012222 has 8 divisors (see below), whose sum is σ = 481988131272. Its totient is φ = 160458301800.

The previous prime is 321121012193. The next prime is 321121012241. The reversal of 321121012222 is 222210121123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 321121012222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51098229 + ... + 51104512.

It is an arithmetic number, because the mean of its divisors is an integer number (60248516409).

Almost surely, 2^321121012222 is an apocalyptic number.

321121012222 is a deficient number, since it is larger than the sum of its proper divisors (160867119050).

321121012222 is a wasteful number, since it uses less digits than its factorization.

321121012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102204314.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 321121012222 its reverse (222210121123), we get a palindrome (543331133345).

The spelling of 321121012222 in words is "three hundred twenty-one billion, one hundred twenty-one million, twelve thousand, two hundred twenty-two".