200221200221 has 16 divisors (see below), whose sum is σ = 231121235328. Its totient is φ = 169895880000.

The previous prime is 200221200197. The next prime is 200221200227. The reversal of 200221200221 is 122002122002.

It is not a de Polignac number, because 200221200221 - 2²² = 200217005917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 200221200196 and 200221200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200221200227) 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, 6985706 + ... + 7014308.

It is an arithmetic number, because the mean of its divisors is an integer number (14445077208).

Almost surely, 2^200221200221 is an apocalyptic number.

It is an amenable number.

200221200221 is a deficient number, since it is larger than the sum of its proper divisors (30900035107).

200221200221 is a wasteful number, since it uses less digits than its factorization.

200221200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38612.

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

Adding to 200221200221 its reverse (122002122002), we get a palindrome (322223322223).

The spelling of 200221200221 in words is "two hundred billion, two hundred twenty-one million, two hundred thousand, two hundred twenty-one".