13342422113221 has 4 divisors (see below), whose sum is σ = 13594165926732. Its totient is φ = 13090678299712.

The previous prime is 13342422113191. The next prime is 13342422113269. The reversal of 13342422113221 is 12231122424331.

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 5314753890625 + 8027668222596 = 2305375^2 + 2833314^2 .

It is a cyclic number.

It is not a de Polignac number, because 13342422113221 - 2³³ = 13333832178629 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 (13342422113281) 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 3 ways as a sum of consecutive naturals, for example, 125871906676 + ... + 125871906781.

It is an arithmetic number, because the mean of its divisors is an integer number (3398541481683).

Almost surely, 2^{13342422113221} is an apocalyptic number.

It is an amenable number.

13342422113221 is a deficient number, since it is larger than the sum of its proper divisors (251743813511).

13342422113221 is an equidigital number, since it uses as much as digits as its factorization.

13342422113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251743813510.

The product of its digits is 13824, while the sum is 31.

Adding to 13342422113221 its reverse (12231122424331), we get a palindrome (25573544537552).

The spelling of 13342422113221 in words is "thirteen trillion, three hundred forty-two billion, four hundred twenty-two million, one hundred thirteen thousand, two hundred twenty-one".