13211210421201 has 24 divisors (see below), whose sum is σ = 19074568587456. Its totient is φ = 8129807300160.

The previous prime is 13211210421173. The next prime is 13211210421239. The reversal of 13211210421201 is 10212401211231.

It is not a de Polignac number, because 13211210421201 - 2¹⁴ = 13211210404817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13211210421401) 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 in 23 ways as a sum of consecutive naturals, for example, 26943891 + ... + 27429831.

It is an arithmetic number, because the mean of its divisors is an integer number (794773691144).

Almost surely, 2^{13211210421201} is an apocalyptic number.

It is an amenable number.

13211210421201 is a deficient number, since it is larger than the sum of its proper divisors (5863358166255).

13211210421201 is a wasteful number, since it uses less digits than its factorization.

13211210421201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539593 (or 539580 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 13211210421201 its reverse (10212401211231), we get a palindrome (23423611632432).

The spelling of 13211210421201 in words is "thirteen trillion, two hundred eleven billion, two hundred ten million, four hundred twenty-one thousand, two hundred one".