111100123103 has 8 divisors (see below), whose sum is σ = 117670176000. Its totient is φ = 104533931520.

The previous prime is 111100123097. The next prime is 111100123153. The reversal of 111100123103 is 301321001111.

It is a happy number.

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 111100123103 - 2⁴ = 111100123087 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 (111100123153) 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, 905978 + ... + 1021271.

It is an arithmetic number, because the mean of its divisors is an integer number (14708772000).

Almost surely, 2^111100123103 is an apocalyptic number.

111100123103 is a deficient number, since it is larger than the sum of its proper divisors (6570052897).

111100123103 is a wasteful number, since it uses less digits than its factorization.

111100123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930657.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 111100123103 its reverse (301321001111), we get a palindrome (412421124214).

The spelling of 111100123103 in words is "one hundred eleven billion, one hundred million, one hundred twenty-three thousand, one hundred three".