13301422400221 has 4 divisors (see below), whose sum is σ = 13323121295452. Its totient is φ = 13279723504992.

The previous prime is 13301422400183. The next prime is 13301422400239. The reversal of 13301422400221 is 12200422410331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 887955674596 + 12413466725625 = 942314^2 + 3523275^2 .

It is a cyclic number.

It is not a de Polignac number, because 13301422400221 - 2⁷ = 13301422400093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13301422401221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10849446696 + ... + 10849447921.

It is an arithmetic number, because the mean of its divisors is an integer number (3330780323863).

Almost surely, 2^{13301422400221} is an apocalyptic number.

It is an amenable number.

13301422400221 is a deficient number, since it is larger than the sum of its proper divisors (21698895231).

13301422400221 is an equidigital number, since it uses as much as digits as its factorization.

13301422400221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21698895230.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13301422400221 its reverse (12200422410331), we get a palindrome (25501844810552).

The spelling of 13301422400221 in words is "thirteen trillion, three hundred one billion, four hundred twenty-two million, four hundred thousand, two hundred twenty-one".