102221003221 has 8 divisors (see below), whose sum is σ = 103222706400. Its totient is φ = 101220462000.

The previous prime is 102221003207. The next prime is 102221003237. The reversal of 102221003221 is 122300122201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102221003221 - 2²⁵ = 102187448789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102221003195 and 102221003204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102221003251) 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, 113155 + ... + 466096.

It is an arithmetic number, because the mean of its divisors is an integer number (12902838300).

Almost surely, 2^102221003221 is an apocalyptic number.

It is an amenable number.

102221003221 is a deficient number, since it is larger than the sum of its proper divisors (1001703179).

102221003221 is a wasteful number, since it uses less digits than its factorization.

102221003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580979.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102221003221 its reverse (122300122201), we get a palindrome (224521125422).

The spelling of 102221003221 in words is "one hundred two billion, two hundred twenty-one million, three thousand, two hundred twenty-one".