221201002204 has 24 divisors (see below), whose sum is σ = 476432928608. Its totient is φ = 87508088640.

The previous prime is 221201002199. The next prime is 221201002207. The reversal of 221201002204 is 402200102122.

221201002204 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221201002207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303847167 + ... + 303847894.

Almost surely, 2^221201002204 is an apocalyptic number.

It is an amenable number.

221201002204 is an abundant number, since it is smaller than the sum of its proper divisors (255231926404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221201002204 is a wasteful number, since it uses less digits than its factorization.

221201002204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607695085 (or 607695083 counting only the distinct ones).

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

Adding to 221201002204 its reverse (402200102122), we get a palindrome (623401104326).

The spelling of 221201002204 in words is "two hundred twenty-one billion, two hundred one million, two thousand, two hundred four".