102401013421 has 8 divisors (see below), whose sum is σ = 117070916544. Its totient is φ = 87741407040.

The previous prime is 102401013401. The next prime is 102401013433. The reversal of 102401013421 is 124310104201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102401013421 - 2⁵ = 102401013389 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 (102401013401) 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, 2552860 + ... + 2592661.

It is an arithmetic number, because the mean of its divisors is an integer number (14633864568).

Almost surely, 2^102401013421 is an apocalyptic number.

It is an amenable number.

102401013421 is a deficient number, since it is larger than the sum of its proper divisors (14669903123).

102401013421 is an equidigital number, since it uses as much as digits as its factorization.

102401013421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148371.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 102401013421 its reverse (124310104201), we get a palindrome (226711117622).

The spelling of 102401013421 in words is "one hundred two billion, four hundred one million, thirteen thousand, four hundred twenty-one".