220321121124 has 24 divisors (see below), whose sum is σ = 553627432960. Its totient is φ = 67791114144.

The previous prime is 220321121057. The next prime is 220321121147. The reversal of 220321121124 is 421121123022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 220321121124.

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, 706157284 + ... + 706157595.

Almost surely, 2^220321121124 is an apocalyptic number.

It is an amenable number.

220321121124 is an abundant number, since it is smaller than the sum of its proper divisors (333306311836).

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

220321121124 is a wasteful number, since it uses less digits than its factorization.

220321121124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412314899 (or 1412314897 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 220321121124 its reverse (421121123022), we get a palindrome (641442244146).

The spelling of 220321121124 in words is "two hundred twenty billion, three hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty-four".