200121002200122 has 16 divisors (see below), whose sum is σ = 400242148027680. Its totient is φ = 66706976795472.

The previous prime is 200121002200109. The next prime is 200121002200247. The reversal of 200121002200122 is 221002200121002.

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 7 ways as a sum of consecutive naturals, for example, 22718829 + ... + 30271887.

It is an arithmetic number, because the mean of its divisors is an integer number (25015134251730).

Almost surely, 2^{200121002200122} is an apocalyptic number.

200121002200122 is an abundant number, since it is smaller than the sum of its proper divisors (200121145827558).

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

200121002200122 is a wasteful number, since it uses less digits than its factorization.

200121002200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11968957.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 200121002200122 its reverse (221002200121002), we get a palindrome (421123202321124).

The spelling of 200121002200122 in words is "two hundred trillion, one hundred twenty-one billion, two million, two hundred thousand, one hundred twenty-two".