102320322221 has 8 divisors (see below), whose sum is σ = 110197447584. Its totient is φ = 94444101360.

The previous prime is 102320322199. The next prime is 102320322239. The reversal of 102320322221 is 122223023201.

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 102320322221 - 2¹⁸ = 102320060077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102320322193 and 102320322202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102320322241) 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, 18650 + ... + 452756.

It is an arithmetic number, because the mean of its divisors is an integer number (13774680948).

Almost surely, 2^102320322221 is an apocalyptic number.

It is an amenable number.

102320322221 is a deficient number, since it is larger than the sum of its proper divisors (7877125363).

102320322221 is a wasteful number, since it uses less digits than its factorization.

102320322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452251.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 102320322221 its reverse (122223023201), we get a palindrome (224543345422).

The spelling of 102320322221 in words is "one hundred two billion, three hundred twenty million, three hundred twenty-two thousand, two hundred twenty-one".