104103440021 has 8 divisors (see below), whose sum is σ = 118977660480. Its totient is φ = 89229794688.

The previous prime is 104103440009. The next prime is 104103440041. The reversal of 104103440021 is 120044301401.

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 104103440021 - 2¹⁰ = 104103438997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104103439975 and 104103440002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104103440041) 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, 363365 + ... + 583301.

It is an arithmetic number, because the mean of its divisors is an integer number (14872207560).

Almost surely, 2^104103440021 is an apocalyptic number.

It is an amenable number.

104103440021 is a deficient number, since it is larger than the sum of its proper divisors (14874220459).

104103440021 is an equidigital number, since it uses as much as digits as its factorization.

104103440021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287563.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 104103440021 its reverse (120044301401), we get a palindrome (224147741422).

The spelling of 104103440021 in words is "one hundred four billion, one hundred three million, four hundred forty thousand, twenty-one".