104013242241421 has 4 divisors (see below), whose sum is σ = 104067051473692. Its totient is φ = 103959433009152.

The previous prime is 104013242241413. The next prime is 104013242241463. The reversal of 104013242241421 is 124142242310401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53618435096521 + 50394807144900 = 7322461^2 + 7098930^2 .

It is a cyclic number.

It is not a de Polignac number, because 104013242241421 - 2³ = 104013242241413 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 (104013242241721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26904613236 + ... + 26904617101.

It is an arithmetic number, because the mean of its divisors is an integer number (26016762868423).

Almost surely, 2^{104013242241421} is an apocalyptic number.

It is an amenable number.

104013242241421 is a deficient number, since it is larger than the sum of its proper divisors (53809232271).

104013242241421 is an equidigital number, since it uses as much as digits as its factorization.

104013242241421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53809232270.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 104013242241421 its reverse (124142242310401), we get a palindrome (228155484551822).

The spelling of 104013242241421 in words is "one hundred four trillion, thirteen billion, two hundred forty-two million, two hundred forty-one thousand, four hundred twenty-one".