111312213312111 has 8 divisors (see below), whose sum is σ = 169618610761344. Its totient is φ = 63606979035480.

The previous prime is 111312213312109. The next prime is 111312213312149. The reversal of 111312213312111 is 111213312213111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111312213312111 - 2¹ = 111312213312109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312213312161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2650290793125 + ... + 2650290793166.

It is an arithmetic number, because the mean of its divisors is an integer number (21202326345168).

Almost surely, 2^{111312213312111} is an apocalyptic number.

111312213312111 is a deficient number, since it is larger than the sum of its proper divisors (58306397449233).

111312213312111 is an equidigital number, since it uses as much as digits as its factorization.

111312213312111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5300581586301.

The product of its digits is 216, while the sum is 24.

Adding to 111312213312111 its reverse (111213312213111), we get a palindrome (222525525525222).

The spelling of 111312213312111 in words is "one hundred eleven trillion, three hundred twelve billion, two hundred thirteen million, three hundred twelve thousand, one hundred eleven".