13111111321219 has 4 divisors (see below), whose sum is σ = 13115792192040. Its totient is φ = 13106430450400.

The previous prime is 13111111321193. The next prime is 13111111321283. The reversal of 13111111321219 is 91212311111131.

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 13111111321219 - 2¹¹ = 13111111319171 is a prime.

It is a super-2 number, since 2×13111111321219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13111111121219) 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, 2340431209 + ... + 2340436810.

It is an arithmetic number, because the mean of its divisors is an integer number (3278948048010).

Almost surely, 2^{13111111321219} is an apocalyptic number.

13111111321219 is a deficient number, since it is larger than the sum of its proper divisors (4680870821).

13111111321219 is an equidigital number, since it uses as much as digits as its factorization.

13111111321219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680870820.

The product of its digits is 324, while the sum is 28.

The spelling of 13111111321219 in words is "thirteen trillion, one hundred eleven billion, one hundred eleven million, three hundred twenty-one thousand, two hundred nineteen".