200121102232100 has 36 divisors (see below), whose sum is σ = 496300333537344. Its totient is φ = 68612949336480.

The previous prime is 200121102232087. The next prime is 200121102232127. The reversal of 200121102232100 is 1232201121002.

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, 142943643752 + ... + 142943645151.

Almost surely, 2^{200121102232100} is an apocalyptic number.

200121102232100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200121102232100 is an abundant number, since it is smaller than the sum of its proper divisors (296179231305244).

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

200121102232100 is a wasteful number, since it uses less digits than its factorization.

200121102232100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285887288924 (or 285887288917 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 200121102232100 its reverse (1232201121002), we get a palindrome (201353303353102).

The spelling of 200121102232100 in words is "two hundred trillion, one hundred twenty-one billion, one hundred two million, two hundred thirty-two thousand, one hundred".