204035214221 has 16 divisors (see below), whose sum is σ = 207150894720. Its totient is φ = 200945222400.

The previous prime is 204035214179. The next prime is 204035214263. The reversal of 204035214221 is 122412530402.

204035214221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (204035214179) and next prime (204035214263).

It is a cyclic number.

It is not a de Polignac number, because 204035214221 - 2¹⁰ = 204035213197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204035214821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35169521 + ... + 35175321.

It is an arithmetic number, because the mean of its divisors is an integer number (12946930920).

Almost surely, 2^204035214221 is an apocalyptic number.

It is an amenable number.

204035214221 is a deficient number, since it is larger than the sum of its proper divisors (3115680499).

204035214221 is a wasteful number, since it uses less digits than its factorization.

204035214221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7924.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 204035214221 its reverse (122412530402), we get a palindrome (326447744623).

The spelling of 204035214221 in words is "two hundred four billion, thirty-five million, two hundred fourteen thousand, two hundred twenty-one".