21104344211301 has 12 divisors (see below), whose sum is σ = 32828979884428. Its totient is φ = 12987288745344.

The previous prime is 21104344211287. The next prime is 21104344211339. The reversal of 21104344211301 is 10311244340112.

It is a happy number.

21104344211301 is a `hidden beast` number, since 2 + 1 + 1 + 0 + 4 + 344 + 2 + 11 + 301 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8123491830276 + 12980852381025 = 2850174^2 + 3602895^2 .

It is not a de Polignac number, because 21104344211301 - 2¹⁰ = 21104344210277 is a prime.

It is a super-2 number, since 2×21104344211301² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21104344215301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90189505060 + ... + 90189505293.

Almost surely, 2^{21104344211301} is an apocalyptic number.

It is an amenable number.

21104344211301 is a deficient number, since it is larger than the sum of its proper divisors (11724635673127).

21104344211301 is a wasteful number, since it uses less digits than its factorization.

21104344211301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180379010372 (or 180379010369 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 21104344211301 its reverse (10311244340112), we get a palindrome (31415588551413).

The spelling of 21104344211301 in words is "twenty-one trillion, one hundred four billion, three hundred forty-four million, two hundred eleven thousand, three hundred one".