100204102221 has 8 divisors (see below), whose sum is σ = 135106655040. Its totient is φ = 66052142112.

The previous prime is 100204102217. The next prime is 100204102249. The reversal of 100204102221 is 122201402001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100204102221 - 2² = 100204102217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100204102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100204102421) 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, 187647865 + ... + 187648398.

It is an arithmetic number, because the mean of its divisors is an integer number (16888331880).

Almost surely, 2^100204102221 is an apocalyptic number.

It is an amenable number.

100204102221 is a deficient number, since it is larger than the sum of its proper divisors (34902552819).

100204102221 is an equidigital number, since it uses as much as digits as its factorization.

100204102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375296355.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100204102221 its reverse (122201402001), we get a palindrome (222405504222).

The spelling of 100204102221 in words is "one hundred billion, two hundred four million, one hundred two thousand, two hundred twenty-one".