200112221121 has 16 divisors (see below), whose sum is σ = 273337908480. Its totient is φ = 130147671680.

The previous prime is 200112221083. The next prime is 200112221129. The reversal of 200112221121 is 121122211002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200112221121 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 200112221121.

It is not an unprimeable number, because it can be changed into a prime (200112221129) 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, 3933976 + ... + 3984518.

It is an arithmetic number, because the mean of its divisors is an integer number (17083619280).

Almost surely, 2^200112221121 is an apocalyptic number.

It is an amenable number.

200112221121 is a deficient number, since it is larger than the sum of its proper divisors (73225687359).

200112221121 is a wasteful number, since it uses less digits than its factorization.

200112221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82776.

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

Adding to 200112221121 its reverse (121122211002), we get a palindrome (321234432123).

The spelling of 200112221121 in words is "two hundred billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twenty-one".