111213112319 has 4 divisors (see below), whose sum is σ = 117066434040. Its totient is φ = 105359790600.

The previous prime is 111213112301. The next prime is 111213112321. The reversal of 111213112319 is 913211312111.

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 111213112319 - 2⁸ = 111213112063 is a prime.

It is a super-3 number, since 3×111213112319³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111213111319) 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, 2926660832 + ... + 2926660869.

It is an arithmetic number, because the mean of its divisors is an integer number (29266608510).

Almost surely, 2^111213112319 is an apocalyptic number.

111213112319 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

111213112319 is a deficient number, since it is larger than the sum of its proper divisors (5853321721).

111213112319 is an equidigital number, since it uses as much as digits as its factorization.

111213112319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5853321720.

The product of its digits is 324, while the sum is 26.

The spelling of 111213112319 in words is "one hundred eleven billion, two hundred thirteen million, one hundred twelve thousand, three hundred nineteen".