102321241321 has 4 divisors (see below), whose sum is σ = 110192106052. Its totient is φ = 94450376592.

The previous prime is 102321241307. The next prime is 102321241349. The reversal of 102321241321 is 123142123201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54727455721 + 47593785600 = 233939^2 + 218160^2 .

It is not a de Polignac number, because 102321241321 - 2¹³ = 102321233129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102321241292 and 102321241301.

It is not an unprimeable number, because it can be changed into a prime (102321245321) 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, 3935432346 + ... + 3935432371.

It is an arithmetic number, because the mean of its divisors is an integer number (27548026513).

Almost surely, 2^102321241321 is an apocalyptic number.

It is an amenable number.

102321241321 is a deficient number, since it is larger than the sum of its proper divisors (7870864731).

102321241321 is an equidigital number, since it uses as much as digits as its factorization.

102321241321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7870864730.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 102321241321 its reverse (123142123201), we get a palindrome (225463364522).

The spelling of 102321241321 in words is "one hundred two billion, three hundred twenty-one million, two hundred forty-one thousand, three hundred twenty-one".