200200221221 has 16 divisors (see below), whose sum is σ = 268800298368. Its totient is φ = 144000158400.

The previous prime is 200200221203. The next prime is 200200221223. The reversal of 200200221221 is 122122002002.

It is a de Polignac number, because none of the positive numbers 2^k-200200221221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200200221196 and 200200221205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200200221223) 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, 99999110 + ... + 100001111.

It is an arithmetic number, because the mean of its divisors is an integer number (16800018648).

Almost surely, 2^200200221221 is an apocalyptic number.

It is an amenable number.

200200221221 is a deficient number, since it is larger than the sum of its proper divisors (68600077147).

200200221221 is a wasteful number, since it uses less digits than its factorization.

200200221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200000252.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 200200221221 its reverse (122122002002), we get a palindrome (322322223223).

The spelling of 200200221221 in words is "two hundred billion, two hundred million, two hundred twenty-one thousand, two hundred twenty-one".