102104401421 has 8 divisors (see below), whose sum is σ = 112187964000. Its totient is φ = 92154396240.

The previous prime is 102104401417. The next prime is 102104401453. The reversal of 102104401421 is 124104401201.

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 102104401421 - 2² = 102104401417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102104401393 and 102104401402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102104401481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33387746 + ... + 33390803.

It is an arithmetic number, because the mean of its divisors is an integer number (14023495500).

Almost surely, 2^102104401421 is an apocalyptic number.

102104401421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102104401421 is a deficient number, since it is larger than the sum of its proper divisors (10083562579).

102104401421 is a wasteful number, since it uses less digits than its factorization.

102104401421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66778699.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 102104401421 its reverse (124104401201), we get a palindrome (226208802622).

The spelling of 102104401421 in words is "one hundred two billion, one hundred four million, four hundred one thousand, four hundred twenty-one".