202121122002200 has 48 divisors (see below), whose sum is σ = 469998202784280. Its totient is φ = 80836991746560.

The previous prime is 202121122002197. The next prime is 202121122002211. The reversal of 202121122002200 is 2200221121202.

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, 70191662 + ... + 73014461.

Almost surely, 2^{202121122002200} is an apocalyptic number.

202121122002200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202121122002200 is an abundant number, since it is smaller than the sum of its proper divisors (267877080782080).

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

202121122002200 is a wasteful number, since it uses less digits than its factorization.

202121122002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143213196 (or 143213187 counting only the distinct ones).

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

Adding to 202121122002200 its reverse (2200221121202), we get a palindrome (204321343123402).

The spelling of 202121122002200 in words is "two hundred two trillion, one hundred twenty-one billion, one hundred twenty-two million, two thousand, two hundred".