202221000021200 has 120 divisors (see below), whose sum is σ = 503606447600640. Its totient is φ = 77951568038400.

The previous prime is 202221000021179. The next prime is 202221000021217. The reversal of 202221000021200 is 2120000122202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31153859 + ... + 37081058.

It is an arithmetic number, because the mean of its divisors is an integer number (4196720396672).

Almost surely, 2^{202221000021200} is an apocalyptic number.

202221000021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202221000021200 is an abundant number, since it is smaller than the sum of its proper divisors (301385447579440).

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

202221000021200 is a wasteful number, since it uses less digits than its factorization.

202221000021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68235205 (or 68235194 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202221000021200 its reverse (2120000122202), we get a palindrome (204341000143402).

The spelling of 202221000021200 in words is "two hundred two trillion, two hundred twenty-one billion, twenty-one thousand, two hundred".