202021120122200 has 48 divisors (see below), whose sum is σ = 469709715404160. Its totient is φ = 80806622480000.

The previous prime is 202021120122197. The next prime is 202021120122257. The reversal of 202021120122200 is 2221021120202.

It is a happy number.

It is a congruent number.

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, 2517431 + ... + 20257830.

It is an arithmetic number, because the mean of its divisors is an integer number (9785619070920).

Almost surely, 2^{202021120122200} is an apocalyptic number.

202021120122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202021120122200 is an abundant number, since it is smaller than the sum of its proper divisors (267688595281960).

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

202021120122200 is a wasteful number, since it uses less digits than its factorization.

202021120122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22819628 (or 22819619 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202021120122200 its reverse (2221021120202), we get a palindrome (204242141242402).

The spelling of 202021120122200 in words is "two hundred two trillion, twenty-one billion, one hundred twenty million, one hundred twenty-two thousand, two hundred".