102223431421 has 8 divisors (see below), whose sum is σ = 102489668064. Its totient is φ = 101957306640.

The previous prime is 102223431413. The next prime is 102223431433. The reversal of 102223431421 is 124134322201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102223431421 - 2³ = 102223431413 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 (102223411421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1989966 + ... + 2040688.

It is an arithmetic number, because the mean of its divisors is an integer number (12811208508).

Almost surely, 2^102223431421 is an apocalyptic number.

It is an amenable number.

102223431421 is a deficient number, since it is larger than the sum of its proper divisors (266236643).

102223431421 is an equidigital number, since it uses as much as digits as its factorization.

102223431421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55931.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 102223431421 its reverse (124134322201), we get a palindrome (226357753622).

The spelling of 102223431421 in words is "one hundred two billion, two hundred twenty-three million, four hundred thirty-one thousand, four hundred twenty-one".