102003321232321 has 4 divisors (see below), whose sum is σ = 102003813256644. Its totient is φ = 102002829208000.

The previous prime is 102003321232303. The next prime is 102003321232333. The reversal of 102003321232321 is 123232123300201.

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 28879188132096 + 73124133100225 = 5373936^2 + 8551265^2 .

It is a cyclic number.

It is not a de Polignac number, because 102003321232321 - 2²⁷ = 102003187014593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102003321232361) 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, 245701060 + ... + 246115861.

It is an arithmetic number, because the mean of its divisors is an integer number (25500953314161).

Almost surely, 2^{102003321232321} is an apocalyptic number.

It is an amenable number.

102003321232321 is a deficient number, since it is larger than the sum of its proper divisors (492024323).

102003321232321 is an equidigital number, since it uses as much as digits as its factorization.

102003321232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492024322.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 102003321232321 its reverse (123232123300201), we get a palindrome (225235444532522).

The spelling of 102003321232321 in words is "one hundred two trillion, three billion, three hundred twenty-one million, two hundred thirty-two thousand, three hundred twenty-one".