102222013321 has 4 divisors (see below), whose sum is σ = 102247490052. Its totient is φ = 102196536592.

The previous prime is 102222013307. The next prime is 102222013351. The reversal of 102222013321 is 123310222201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123310222201 = 284741 ⋅433061.

It can be written as a sum of positive squares in 2 ways, for example, as 88780161600 + 13441851721 = 297960^2 + 115939^2 .

It is a cyclic number.

It is not a de Polignac number, because 102222013321 - 2¹¹ = 102222011273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102222013351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12732346 + ... + 12740371.

It is an arithmetic number, because the mean of its divisors is an integer number (25561872513).

Almost surely, 2^102222013321 is an apocalyptic number.

It is an amenable number.

102222013321 is a deficient number, since it is larger than the sum of its proper divisors (25476731).

102222013321 is an equidigital number, since it uses as much as digits as its factorization.

102222013321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25476730.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102222013321 its reverse (123310222201), we get a palindrome (225532235522).

The spelling of 102222013321 in words is "one hundred two billion, two hundred twenty-two million, thirteen thousand, three hundred twenty-one".