202122213021200 has 60 divisors (see below), whose sum is σ = 485605001874048. Its totient is φ = 80847822134400.

The previous prime is 202122213021143. The next prime is 202122213021247. The reversal of 202122213021200 is 2120312221202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27493565 + ... + 34060835.

Almost surely, 2^{202122213021200} is an apocalyptic number.

202122213021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202122213021200 is an abundant number, since it is smaller than the sum of its proper divisors (283482788852848).

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

202122213021200 is a wasteful number, since it uses less digits than its factorization.

202122213021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6644232 (or 6644221 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 202122213021200 its reverse (2120312221202), we get a palindrome (204242525242402).

The spelling of 202122213021200 in words is "two hundred two trillion, one hundred twenty-two billion, two hundred thirteen million, twenty-one thousand, two hundred".