111123322103 has 4 divisors (see below), whose sum is σ = 112106714448. Its totient is φ = 110139929760.

The previous prime is 111123322087. The next prime is 111123322111. The reversal of 111123322103 is 301223321111.

It is a happy number.

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 111123322103 - 2⁴ = 111123322087 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 (111123322133) 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, 491696003 + ... + 491696228.

It is an arithmetic number, because the mean of its divisors is an integer number (28026678612).

Almost surely, 2^111123322103 is an apocalyptic number.

111123322103 is a deficient number, since it is larger than the sum of its proper divisors (983392345).

111123322103 is an equidigital number, since it uses as much as digits as its factorization.

111123322103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983392344.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111123322103 its reverse (301223321111), we get a palindrome (412346643214).

The spelling of 111123322103 in words is "one hundred eleven billion, one hundred twenty-three million, three hundred twenty-two thousand, one hundred three".