104344111013021 has 20 divisors (see below), whose sum is σ = 119768149356960. Its totient is φ = 90734009283720.

The previous prime is 104344111013017. The next prime is 104344111013029. The reversal of 104344111013021 is 120310111443401.

It is not a de Polignac number, because 104344111013021 - 2² = 104344111013017 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 (104344111013029) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 154594631 + ... + 155268116.

It is an arithmetic number, because the mean of its divisors is an integer number (5988407467848).

Almost surely, 2^{104344111013021} is an apocalyptic number.

104344111013021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104344111013021 is a deficient number, since it is larger than the sum of its proper divisors (15424038343939).

104344111013021 is an frugal number, since it uses more digits than its factorization.

104344111013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309862814 (or 309862781 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 104344111013021 its reverse (120310111443401), we get a palindrome (224654222456422).

The spelling of 104344111013021 in words is "one hundred four trillion, three hundred forty-four billion, one hundred eleven million, thirteen thousand, twenty-one".