13221252322103 has 4 divisors (see below), whose sum is σ = 15110002653840. Its totient is φ = 11332501990368.

The previous prime is 13221252322097. The next prime is 13221252322177. The reversal of 13221252322103 is 30122325212231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13221252322103 - 2¹² = 13221252318007 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 (13221252322403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944375165858 + ... + 944375165871.

It is an arithmetic number, because the mean of its divisors is an integer number (3777500663460).

Almost surely, 2^{13221252322103} is an apocalyptic number.

13221252322103 is a deficient number, since it is larger than the sum of its proper divisors (1888750331737).

13221252322103 is an equidigital number, since it uses as much as digits as its factorization.

13221252322103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888750331736.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 13221252322103 its reverse (30122325212231), we get a palindrome (43343577534334).

The spelling of 13221252322103 in words is "thirteen trillion, two hundred twenty-one billion, two hundred fifty-two million, three hundred twenty-two thousand, one hundred three".