13404102521201 has 4 divisors (see below), whose sum is σ = 15318974309952. Its totient is φ = 11489230732452.

The previous prime is 13404102521189. The next prime is 13404102521207. The reversal of 13404102521201 is 10212520140431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13404102521201 - 2¹⁸ = 13404102259057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13404102521207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957435894365 + ... + 957435894378.

It is an arithmetic number, because the mean of its divisors is an integer number (3829743577488).

Almost surely, 2^{13404102521201} is an apocalyptic number.

It is an amenable number.

13404102521201 is a deficient number, since it is larger than the sum of its proper divisors (1914871788751).

13404102521201 is an equidigital number, since it uses as much as digits as its factorization.

13404102521201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914871788750.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 13404102521201 its reverse (10212520140431), we get a palindrome (23616622661632).

The spelling of 13404102521201 in words is "thirteen trillion, four hundred four billion, one hundred two million, five hundred twenty-one thousand, two hundred one".