321121032222 has 16 divisors (see below), whose sum is σ = 642308658192. Its totient is φ = 107029245120.

The previous prime is 321121032119. The next prime is 321121032227. The reversal of 321121032222 is 222230121123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321121032227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2711943 + ... + 2827874.

It is an arithmetic number, because the mean of its divisors is an integer number (40144291137).

Almost surely, 2^321121032222 is an apocalyptic number.

321121032222 is an abundant number, since it is smaller than the sum of its proper divisors (321187625970).

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

321121032222 is a wasteful number, since it uses less digits than its factorization.

321121032222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5549483.

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

Adding to 321121032222 its reverse (222230121123), we get a palindrome (543351153345).

The spelling of 321121032222 in words is "three hundred twenty-one billion, one hundred twenty-one million, thirty-two thousand, two hundred twenty-two".