200021230221 has 16 divisors (see below), whose sum is σ = 282852551040. Its totient is φ = 125458787520.

The previous prime is 200021230181. The next prime is 200021230243. The reversal of 200021230221 is 122032120002.

It is a happy number.

It is not a de Polignac number, because 200021230221 - 2¹⁰ = 200021229197 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 200021230221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021230261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23756926 + ... + 23765343.

It is an arithmetic number, because the mean of its divisors is an integer number (17678284440).

Almost surely, 2^200021230221 is an apocalyptic number.

It is an amenable number.

200021230221 is a deficient number, since it is larger than the sum of its proper divisors (82831320819).

200021230221 is a wasteful number, since it uses less digits than its factorization.

200021230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47522356.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 200021230221 its reverse (122032120002), we get a palindrome (322053350223).

The spelling of 200021230221 in words is "two hundred billion, twenty-one million, two hundred thirty thousand, two hundred twenty-one".