13112001322223 has 4 divisors (see below), whose sum is σ = 13112008565808. Its totient is φ = 13111994078640.

The previous prime is 13112001322219. The next prime is 13112001322243. The reversal of 13112001322223 is 32222310021131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13112001322223 - 2² = 13112001322219 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 (13112001322213) 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, 1700915 + ... + 5396027.

It is an arithmetic number, because the mean of its divisors is an integer number (3278002141452).

Almost surely, 2^{13112001322223} is an apocalyptic number.

13112001322223 is a deficient number, since it is larger than the sum of its proper divisors (7243585).

13112001322223 is an equidigital number, since it uses as much as digits as its factorization.

13112001322223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7243584.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13112001322223 its reverse (32222310021131), we get a palindrome (45334311343354).

The spelling of 13112001322223 in words is "thirteen trillion, one hundred twelve billion, one million, three hundred twenty-two thousand, two hundred twenty-three".