200121002010222 has 64 divisors (see below), whose sum is σ = 417812954241600. Its totient is φ = 63837827066880.

The previous prime is 200121002010173. The next prime is 200121002010239. The reversal of 200121002010222 is 222010200121002.

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 31 ways as a sum of consecutive naturals, for example, 401528554 + ... + 402026642.

It is an arithmetic number, because the mean of its divisors is an integer number (6528327410025).

Almost surely, 2^{200121002010222} is an apocalyptic number.

200121002010222 is an abundant number, since it is smaller than the sum of its proper divisors (217691952231378).

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

200121002010222 is a wasteful number, since it uses less digits than its factorization.

200121002010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527861.

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

Adding to 200121002010222 its reverse (222010200121002), we get a palindrome (422131202131224).

The spelling of 200121002010222 in words is "two hundred trillion, one hundred twenty-one billion, two million, ten thousand, two hundred twenty-two".