200211121210221 has 24 divisors (see below), whose sum is σ = 316278861566304. Its totient is φ = 121034430934560.

The previous prime is 200211121210211. The next prime is 200211121210253. The reversal of 200211121210221 is 122012121112002.

200211121210221 is a `hidden beast` number, since 2 + 0 + 0 + 211 + 1 + 21 + 210 + 221 = 666.

It is not a de Polignac number, because 200211121210221 - 2⁶ = 200211121210157 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 200211121210194 and 200211121210203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200211121210211) 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, 2546981551 + ... + 2547060156.

It is an arithmetic number, because the mean of its divisors is an integer number (13178285898596).

Almost surely, 2^{200211121210221} is an apocalyptic number.

It is an amenable number.

200211121210221 is a deficient number, since it is larger than the sum of its proper divisors (116067740356083).

200211121210221 is a wasteful number, since it uses less digits than its factorization.

200211121210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094042121 (or 5094042118 counting only the distinct ones).

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

Adding to 200211121210221 its reverse (122012121112002), we get a palindrome (322223242322223).

The spelling of 200211121210221 in words is "two hundred trillion, two hundred eleven billion, one hundred twenty-one million, two hundred ten thousand, two hundred twenty-one".