13213312110111 has 4 divisors (see below), whose sum is σ = 17617749480152. Its totient is φ = 8808874740072.

The previous prime is 13213312110107. The next prime is 13213312110121. The reversal of 13213312110111 is 11101121331231.

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

It is not a de Polignac number, because 13213312110111 - 2² = 13213312110107 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 (13213312110121) 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, 2202218685016 + ... + 2202218685021.

It is an arithmetic number, because the mean of its divisors is an integer number (4404437370038).

Almost surely, 2^{13213312110111} is an apocalyptic number.

13213312110111 is a deficient number, since it is larger than the sum of its proper divisors (4404437370041).

13213312110111 is an equidigital number, since it uses as much as digits as its factorization.

13213312110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404437370040.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 13213312110111 its reverse (11101121331231), we get a palindrome (24314433441342).

The spelling of 13213312110111 in words is "thirteen trillion, two hundred thirteen billion, three hundred twelve million, one hundred ten thousand, one hundred eleven".