102321122303221 has 4 divisors (see below), whose sum is σ = 103762264870944. Its totient is φ = 100879979735500.

The previous prime is 102321122303171. The next prime is 102321122303243. The reversal of 102321122303221 is 122303221123201.

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 102321122303221 - 2²¹ = 102321120206069 is a prime.

It is a super-2 number, since 2×102321122303221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102321122303261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720571283755 + ... + 720571283896.

It is an arithmetic number, because the mean of its divisors is an integer number (25940566217736).

Almost surely, 2^{102321122303221} is an apocalyptic number.

It is an amenable number.

102321122303221 is a deficient number, since it is larger than the sum of its proper divisors (1441142567723).

102321122303221 is an equidigital number, since it uses as much as digits as its factorization.

102321122303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441142567722.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 102321122303221 its reverse (122303221123201), we get a palindrome (224624343426422).

The spelling of 102321122303221 in words is "one hundred two trillion, three hundred twenty-one billion, one hundred twenty-two million, three hundred three thousand, two hundred twenty-one".