200121112022211 has 24 divisors (see below), whose sum is σ = 296885710845984. Its totient is φ = 129804202166400.

The previous prime is 200121112022149. The next prime is 200121112022213. The reversal of 200121112022211 is 112220211121002.

200121112022211 is a `hidden beast` number, since 200 + 1 + 211 + 1 + 20 + 22 + 211 = 666.

It is not a de Polignac number, because 200121112022211 - 2²³ = 200121103633603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200121112022213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1150986 + ... + 20039136.

It is an arithmetic number, because the mean of its divisors is an integer number (12370237951916).

Almost surely, 2^{200121112022211} is an apocalyptic number.

200121112022211 is a deficient number, since it is larger than the sum of its proper divisors (96764598823773).

200121112022211 is a wasteful number, since it uses less digits than its factorization.

200121112022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18920011 (or 18920008 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 200121112022211 its reverse (112220211121002), we get a palindrome (312341323143213).

The spelling of 200121112022211 in words is "two hundred trillion, one hundred twenty-one billion, one hundred twelve million, twenty-two thousand, two hundred eleven".