200121021211002 has 64 divisors (see below), whose sum is σ = 411928732842624. Its totient is φ = 64766969245440.

The previous prime is 200121021210997. The next prime is 200121021211073. The reversal of 200121021211002 is 200112120121002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244209868 + ... + 245027960.

It is an arithmetic number, because the mean of its divisors is an integer number (6436386450666).

Almost surely, 2^{200121021211002} is an apocalyptic number.

200121021211002 is an abundant number, since it is smaller than the sum of its proper divisors (211807711631622).

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

200121021211002 is a wasteful number, since it uses less digits than its factorization.

200121021211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820463.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200121021211002 its reverse (200112120121002), we get a palindrome (400233141332004).

The spelling of 200121021211002 in words is "two hundred trillion, one hundred twenty-one billion, twenty-one million, two hundred eleven thousand, two".