111344320103 has 8 divisors (see below), whose sum is σ = 113186468400. Its totient is φ = 109502714880.

The previous prime is 111344320057. The next prime is 111344320117. The reversal of 111344320103 is 301023443111.

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

It is a cyclic number.

It is not a de Polignac number, because 111344320103 - 2²⁰ = 111343271527 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 (111344320123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288551 + ... + 553127.

It is an arithmetic number, because the mean of its divisors is an integer number (14148308550).

Almost surely, 2^111344320103 is an apocalyptic number.

111344320103 is a deficient number, since it is larger than the sum of its proper divisors (1842148297).

111344320103 is an equidigital number, since it uses as much as digits as its factorization.

111344320103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271537.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 111344320103 its reverse (301023443111), we get a palindrome (412367763214).

The spelling of 111344320103 in words is "one hundred eleven billion, three hundred forty-four million, three hundred twenty thousand, one hundred three".