102320200044221 has 4 divisors (see below), whose sum is σ = 102327875415744. Its totient is φ = 102312524672700.

The previous prime is 102320200044197. The next prime is 102320200044229. The reversal of 102320200044221 is 122440002023201.

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 102320200044221 - 2⁶ = 102320200044157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102320200044229) 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, 3837665765 + ... + 3837692426.

It is an arithmetic number, because the mean of its divisors is an integer number (25581968853936).

Almost surely, 2^{102320200044221} is an apocalyptic number.

It is an amenable number.

102320200044221 is a deficient number, since it is larger than the sum of its proper divisors (7675371523).

102320200044221 is an equidigital number, since it uses as much as digits as its factorization.

102320200044221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7675371522.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 102320200044221 its reverse (122440002023201), we get a palindrome (224760202067422).

The spelling of 102320200044221 in words is "one hundred two trillion, three hundred twenty billion, two hundred million, forty-four thousand, two hundred twenty-one".