200121021002200 has 24 divisors (see below), whose sum is σ = 465281373830580. Its totient is φ = 80048408400800.

The previous prime is 200121021002107. The next prime is 200121021002249. The reversal of 200121021002200 is 2200120121002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500302552306 + ... + 500302552705.

Almost surely, 2^{200121021002200} is an apocalyptic number.

200121021002200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200121021002200 is an abundant number, since it is smaller than the sum of its proper divisors (265160352828380).

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

200121021002200 is a wasteful number, since it uses less digits than its factorization.

200121021002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000605105027 (or 1000605105018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200121021002200 its reverse (2200120121002), we get a palindrome (202321141123202).

The spelling of 200121021002200 in words is "two hundred trillion, one hundred twenty-one billion, twenty-one million, two thousand, two hundred".