200112021221 has 16 divisors (see below), whose sum is σ = 236720209920. Its totient is φ = 165539179440.

The previous prime is 200112021143. The next prime is 200112021247. The reversal of 200112021221 is 122120211002.

It is a cyclic number.

It is not a de Polignac number, because 200112021221 - 2¹⁰ = 200112020197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200112021196 and 200112021205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200112021281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1176731 + ... + 1336008.

It is an arithmetic number, because the mean of its divisors is an integer number (14795013120).

Almost surely, 2^200112021221 is an apocalyptic number.

It is an amenable number.

200112021221 is a deficient number, since it is larger than the sum of its proper divisors (36608188699).

200112021221 is a wasteful number, since it uses less digits than its factorization.

200112021221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513144.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200112021221 its reverse (122120211002), we get a palindrome (322232232223).

The spelling of 200112021221 in words is "two hundred billion, one hundred twelve million, twenty-one thousand, two hundred twenty-one".