220022222121012 has 24 divisors (see below), whose sum is σ = 513437037078112. Its totient is φ = 73333333260000.

The previous prime is 220022222120993. The next prime is 220022222121047. The reversal of 220022222121012 is 210121222220022.

It is a self number, because there is not a number n which added to its sum of digits gives 220022222121012.

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, 925807114 + ... + 926044737.

Almost surely, 2^{220022222121012} is an apocalyptic number.

It is an amenable number.

220022222121012 is an abundant number, since it is smaller than the sum of its proper divisors (293414814957100).

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

220022222121012 is a wasteful number, since it uses less digits than its factorization.

220022222121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851861759 (or 1851861757 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 220022222121012 its reverse (210121222220022), we get a palindrome (430143444341034).

The spelling of 220022222121012 in words is "two hundred twenty trillion, twenty-two billion, two hundred twenty-two million, one hundred twenty-one thousand, twelve".