102443130421 has 8 divisors (see below), whose sum is σ = 102519615744. Its totient is φ = 102366677760.

The previous prime is 102443130323. The next prime is 102443130437. The reversal of 102443130421 is 124031344201.

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 102443130421 - 2¹⁷ = 102442999349 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 (102443130451) 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, 11033301 + ... + 11042581.

It is an arithmetic number, because the mean of its divisors is an integer number (12814951968).

Almost surely, 2^102443130421 is an apocalyptic number.

It is an amenable number.

102443130421 is a deficient number, since it is larger than the sum of its proper divisors (76485323).

102443130421 is an equidigital number, since it uses as much as digits as its factorization.

102443130421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16331.

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

Adding to 102443130421 its reverse (124031344201), we get a palindrome (226474474622).

The spelling of 102443130421 in words is "one hundred two billion, four hundred forty-three million, one hundred thirty thousand, four hundred twenty-one".