102340204421 has 32 divisors (see below), whose sum is σ = 126461841408. Its totient is φ = 80648614080.

The previous prime is 102340204411. The next prime is 102340204423. The reversal of 102340204421 is 124402043201.

It is a cyclic number.

It is not a de Polignac number, because 102340204421 - 2³⁴ = 85160335237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102340204423) 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 31 ways as a sum of consecutive naturals, for example, 49606436 + ... + 49608498.

It is an arithmetic number, because the mean of its divisors is an integer number (3951932544).

Almost surely, 2^102340204421 is an apocalyptic number.

It is an amenable number.

102340204421 is a deficient number, since it is larger than the sum of its proper divisors (24121636987).

102340204421 is a wasteful number, since it uses less digits than its factorization.

102340204421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4001.

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

Adding to 102340204421 its reverse (124402043201), we get a palindrome (226742247622).

The spelling of 102340204421 in words is "one hundred two billion, three hundred forty million, two hundred four thousand, four hundred twenty-one".