102024342420421 has 4 divisors (see below), whose sum is σ = 103753568563200. Its totient is φ = 100295116277644.

The previous prime is 102024342420389. The next prime is 102024342420449. The reversal of 102024342420421 is 124024243420201.

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 102024342420421 - 2⁵ = 102024342420389 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 (102024342424421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864613071301 + ... + 864613071418.

It is an arithmetic number, because the mean of its divisors is an integer number (25938392140800).

Almost surely, 2^{102024342420421} is an apocalyptic number.

It is an amenable number.

102024342420421 is a deficient number, since it is larger than the sum of its proper divisors (1729226142779).

102024342420421 is an equidigital number, since it uses as much as digits as its factorization.

102024342420421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729226142778.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 102024342420421 its reverse (124024243420201), we get a palindrome (226048585840622).

The spelling of 102024342420421 in words is "one hundred two trillion, twenty-four billion, three hundred forty-two million, four hundred twenty thousand, four hundred twenty-one".