102222312110321 has 16 divisors (see below), whose sum is σ = 113904036282960. Its totient is φ = 91087364444160.

The previous prime is 102222312110297. The next prime is 102222312110419. The reversal of 102222312110321 is 123011213222201.

It can be written as a sum of positive squares in 8 ways, for example, as 7263348403600 + 94958963706721 = 2695060^2 + 9744689^2 .

It is a cyclic number.

It is not a de Polignac number, because 102222312110321 - 2²² = 102222307916017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102222312110621) 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, 24766880 + ... + 28597953.

It is an arithmetic number, because the mean of its divisors is an integer number (7119002267685).

Almost surely, 2^{102222312110321} is an apocalyptic number.

It is an amenable number.

102222312110321 is a deficient number, since it is larger than the sum of its proper divisors (11681724172639).

102222312110321 is a wasteful number, since it uses less digits than its factorization.

102222312110321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53369956.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 102222312110321 its reverse (123011213222201), we get a palindrome (225233525332522).

The spelling of 102222312110321 in words is "one hundred two trillion, two hundred twenty-two billion, three hundred twelve million, one hundred ten thousand, three hundred twenty-one".