102203311321 has 4 divisors (see below), whose sum is σ = 102716896000. Its totient is φ = 101689726644.

The previous prime is 102203311289. The next prime is 102203311337. The reversal of 102203311321 is 123113302201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102203311321 - 2⁵ = 102203311289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102203311921) 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, 256792041 + ... + 256792438.

It is an arithmetic number, because the mean of its divisors is an integer number (25679224000).

Almost surely, 2^102203311321 is an apocalyptic number.

It is an amenable number.

102203311321 is a deficient number, since it is larger than the sum of its proper divisors (513584679).

102203311321 is an equidigital number, since it uses as much as digits as its factorization.

102203311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513584678.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 102203311321 its reverse (123113302201), we get a palindrome (225316613522).

The spelling of 102203311321 in words is "one hundred two billion, two hundred three million, three hundred eleven thousand, three hundred twenty-one".