102340213421 has 8 divisors (see below), whose sum is σ = 102605529600. Its totient is φ = 102075027120.

The previous prime is 102340213411. The next prime is 102340213439. The reversal of 102340213421 is 124312043201.

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 102340213421 - 2¹⁰ = 102340212397 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 (102340213411) 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, 1658795 + ... + 1719383.

It is an arithmetic number, because the mean of its divisors is an integer number (12825691200).

Almost surely, 2^102340213421 is an apocalyptic number.

It is an amenable number.

102340213421 is a deficient number, since it is larger than the sum of its proper divisors (265316179).

102340213421 is an equidigital number, since it uses as much as digits as its factorization.

102340213421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64939.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 102340213421 its reverse (124312043201), we get a palindrome (226652256622).

The spelling of 102340213421 in words is "one hundred two billion, three hundred forty million, two hundred thirteen thousand, four hundred twenty-one".