21104003125301 has 2 divisors, whose sum is σ = 21104003125302. Its totient is φ = 21104003125300.

The previous prime is 21104003125243. The next prime is 21104003125363. The reversal of 21104003125301 is 10352130040112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21020629450276 + 83373675025 = 4584826^2 + 288745^2 .

It is a cyclic number.

It is not a de Polignac number, because 21104003125301 - 2¹⁴ = 21104003108917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21104003125391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10552001562650 + 10552001562651.

It is an arithmetic number, because the mean of its divisors is an integer number (10552001562651).

Almost surely, 2^{21104003125301} is an apocalyptic number.

It is an amenable number.

21104003125301 is a deficient number, since it is larger than the sum of its proper divisors (1).

21104003125301 is an equidigital number, since it uses as much as digits as its factorization.

21104003125301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 21104003125301 its reverse (10352130040112), we get a palindrome (31456133165413).

The spelling of 21104003125301 in words is "twenty-one trillion, one hundred four billion, three million, one hundred twenty-five thousand, three hundred one".