200121220120211 has 16 divisors (see below), whose sum is σ = 217171600940448. Its totient is φ = 183307620288000.

The previous prime is 200121220120193. The next prime is 200121220120259. The reversal of 200121220120211 is 112021022121002.

200121220120211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 200121220120211 - 2¹⁰ = 200121220119187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200121220120211.

It is not an unprimeable number, because it can be changed into a prime (200121220120511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29825435 + ... + 35913771.

It is an arithmetic number, because the mean of its divisors is an integer number (13573225058778).

Almost surely, 2^{200121220120211} is an apocalyptic number.

200121220120211 is a deficient number, since it is larger than the sum of its proper divisors (17050380820237).

200121220120211 is a wasteful number, since it uses less digits than its factorization.

200121220120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107782.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200121220120211 its reverse (112021022121002), we get a palindrome (312142242241213).

The spelling of 200121220120211 in words is "two hundred trillion, one hundred twenty-one billion, two hundred twenty million, one hundred twenty thousand, two hundred eleven".