200211222121 has 16 divisors (see below), whose sum is σ = 212385317760. Its totient is φ = 188081591040.

The previous prime is 200211222103. The next prime is 200211222157. The reversal of 200211222121 is 121222112002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 200211222121 - 2⁷ = 200211221993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200211222095 and 200211222104.

It is not an unprimeable number, because it can be changed into a prime (200211222161) 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, 22697850 + ... + 22706668.

It is an arithmetic number, because the mean of its divisors is an integer number (13274082360).

Almost surely, 2^200211222121 is an apocalyptic number.

It is an amenable number.

200211222121 is a deficient number, since it is larger than the sum of its proper divisors (12174095639).

200211222121 is a wasteful number, since it uses less digits than its factorization.

200211222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11184.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200211222121 its reverse (121222112002), we get a palindrome (321433334123).

The spelling of 200211222121 in words is "two hundred billion, two hundred eleven million, two hundred twenty-two thousand, one hundred twenty-one".