102320213321 has 16 divisors (see below), whose sum is σ = 108391747584. Its totient is φ = 96384706704.

The previous prime is 102320213299. The next prime is 102320213371. The reversal of 102320213321 is 123312023201.

It is not a de Polignac number, because 102320213321 - 2¹⁰ = 102320212297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102320213293 and 102320213302.

It is not an unprimeable number, because it can be changed into a prime (102320213371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8048456 + ... + 8061158.

It is an arithmetic number, because the mean of its divisors is an integer number (6774484224).

Almost surely, 2^102320213321 is an apocalyptic number.

It is an amenable number.

102320213321 is a deficient number, since it is larger than the sum of its proper divisors (6071534263).

102320213321 is a wasteful number, since it uses less digits than its factorization.

102320213321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18020.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102320213321 its reverse (123312023201), we get a palindrome (225632236522).

The spelling of 102320213321 in words is "one hundred two billion, three hundred twenty million, two hundred thirteen thousand, three hundred twenty-one".