21104003424299 has 16 divisors (see below), whose sum is σ = 21765664055520. Its totient is φ = 20447157680640.

The previous prime is 21104003424281. The next prime is 21104003424323. The reversal of 21104003424299 is 99242430040112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21104003424299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21104003424239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164838092 + ... + 164966070.

It is an arithmetic number, because the mean of its divisors is an integer number (1360354003470).

Almost surely, 2^{21104003424299} is an apocalyptic number.

21104003424299 is a deficient number, since it is larger than the sum of its proper divisors (661660631221).

21104003424299 is a wasteful number, since it uses less digits than its factorization.

21104003424299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146750.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 21104003424299 in words is "twenty-one trillion, one hundred four billion, three million, four hundred twenty-four thousand, two hundred ninety-nine".