200202220221 has 16 divisors (see below), whose sum is σ = 287838882240. Its totient is φ = 123359518080.

The previous prime is 200202220219. The next prime is 200202220223. The reversal of 200202220221 is 122022202002.

It is an interprime number because it is at equal distance from previous prime (200202220219) and next prime (200202220223).

It is not a de Polignac number, because 200202220221 - 2¹ = 200202220219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200202220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200202220223) 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, 42830830 + ... + 42835503.

It is an arithmetic number, because the mean of its divisors is an integer number (17989930140).

Almost surely, 2^200202220221 is an apocalyptic number.

It is an amenable number.

200202220221 is a deficient number, since it is larger than the sum of its proper divisors (87636662019).

200202220221 is a wasteful number, since it uses less digits than its factorization.

200202220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85666396.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 200202220221 its reverse (122022202002), we get a palindrome (322224422223).

The spelling of 200202220221 in words is "two hundred billion, two hundred two million, two hundred twenty thousand, two hundred twenty-one".