202022221000000 has 98 divisors (see below), whose sum is σ = 501103394271014. Its totient is φ = 80808888000000.

The previous prime is 202022220999919. The next prime is 202022221000007. The reversal of 202022221000000 is 122220202.

It can be written as a sum of positive squares in 7 ways, for example, as 181427106982144 + 20595114017856 = 13469488^2 + 4538184^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202022221000007) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 100011111 + ... + 102011110.

Almost surely, 2^{202022221000000} is an apocalyptic number.

202022221000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202022221000000 is an abundant number, since it is smaller than the sum of its proper divisors (299081173271014).

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

202022221000000 is an frugal number, since it uses more digits than its factorization.

202022221000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202022263 (or 202022228 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 202022221000000 its reverse (122220202), we get a palindrome (202022343220202).

The spelling of 202022221000000 in words is "two hundred two trillion, twenty-two billion, two hundred twenty-one million", and thus it is an aban number.