200212211121 has 32 divisors (see below), whose sum is σ = 298060560000. Its totient is φ = 118693736448.

The previous prime is 200212211077. The next prime is 200212211123. The reversal of 200212211121 is 121112212002.

It is not a de Polignac number, because 200212211121 - 2¹⁷ = 200212080049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200212211121.

It is not an unprimeable number, because it can be changed into a prime (200212211123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310690 + ... + 704948.

It is an arithmetic number, because the mean of its divisors is an integer number (9314392500).

Almost surely, 2^200212211121 is an apocalyptic number.

It is an amenable number.

200212211121 is a deficient number, since it is larger than the sum of its proper divisors (97848348879).

200212211121 is a wasteful number, since it uses less digits than its factorization.

200212211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394753.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200212211121 its reverse (121112212002), we get a palindrome (321324423123).

The spelling of 200212211121 in words is "two hundred billion, two hundred twelve million, two hundred eleven thousand, one hundred twenty-one".