221030010204 has 12 divisors (see below), whose sum is σ = 515736690504. Its totient is φ = 73676670064.

The previous prime is 221030010191. The next prime is 221030010217. The reversal of 221030010204 is 402010030122.

221030010204 is digitally balanced in base 3, 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 (221030010191) and next prime (221030010217).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9209583747 + ... + 9209583770.

It is an arithmetic number, because the mean of its divisors is an integer number (42978057542).

Almost surely, 2^221030010204 is an apocalyptic number.

It is an amenable number.

221030010204 is an abundant number, since it is smaller than the sum of its proper divisors (294706680300).

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

221030010204 is a wasteful number, since it uses less digits than its factorization.

221030010204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18419167524 (or 18419167522 counting only the distinct ones).

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

Adding to 221030010204 its reverse (402010030122), we get a palindrome (623040040326).

The spelling of 221030010204 in words is "two hundred twenty-one billion, thirty million, ten thousand, two hundred four".