200022221221 has 16 divisors (see below), whose sum is σ = 212712321024. Its totient is φ = 187436024064.

The previous prime is 200022221177. The next prime is 200022221237. The reversal of 200022221221 is 122122220002.

It is a cyclic number.

It is not a de Polignac number, because 200022221221 - 2²⁵ = 199988666789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200022221195 and 200022221204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200022221921) 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, 5395876 + ... + 5432818.

It is an arithmetic number, because the mean of its divisors is an integer number (13294520064).

Almost surely, 2^200022221221 is an apocalyptic number.

It is an amenable number.

200022221221 is a deficient number, since it is larger than the sum of its proper divisors (12690099803).

200022221221 is a wasteful number, since it uses less digits than its factorization.

200022221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38340.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 200022221221 its reverse (122122220002), we get a palindrome (322144441223).

The spelling of 200022221221 in words is "two hundred billion, twenty-two million, two hundred twenty-one thousand, two hundred twenty-one".