111411123213 has 16 divisors (see below), whose sum is σ = 168394681280. Its totient is φ = 64952233344.

The previous prime is 111411123199. The next prime is 111411123221. The reversal of 111411123213 is 312321114111.

It is a happy number.

It is not a de Polignac number, because 111411123213 - 2⁵ = 111411123181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111411123213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111411123013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75175456 + ... + 75176937.

It is an arithmetic number, because the mean of its divisors is an integer number (10524667580).

Almost surely, 2^111411123213 is an apocalyptic number.

111411123213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111411123213 is a deficient number, since it is larger than the sum of its proper divisors (56983558067).

111411123213 is a wasteful number, since it uses less digits than its factorization.

111411123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150352428.

The product of its digits is 144, while the sum is 21.

Adding to 111411123213 its reverse (312321114111), we get a palindrome (423732237324).

The spelling of 111411123213 in words is "one hundred eleven billion, four hundred eleven million, one hundred twenty-three thousand, two hundred thirteen".