21104003124301 has 2 divisors, whose sum is σ = 21104003124302. Its totient is φ = 21104003124300.

The previous prime is 21104003124299. The next prime is 21104003124329. The reversal of 21104003124301 is 10342130040112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13435816940100 + 7668186184201 = 3665490^2 + 2769149^2 .

It is a cyclic number.

It is not a de Polignac number, because 21104003124301 - 2¹ = 21104003124299 is a prime.

Together with 21104003124299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21104003125301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10552001562150 + 10552001562151.

It is an arithmetic number, because the mean of its divisors is an integer number (10552001562151).

Almost surely, 2^{21104003124301} is an apocalyptic number.

It is an amenable number.

21104003124301 is a deficient number, since it is larger than the sum of its proper divisors (1).

21104003124301 is an equidigital number, since it uses as much as digits as its factorization.

21104003124301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21104003124301 its reverse (10342130040112), we get a palindrome (31446133164413).

The spelling of 21104003124301 in words is "twenty-one trillion, one hundred four billion, three million, one hundred twenty-four thousand, three hundred one".