111102103123 has 8 divisors (see below), whose sum is σ = 122402318256. Its totient is φ = 100001892000.

The previous prime is 111102103117. The next prime is 111102103169. The reversal of 111102103123 is 321301201111.

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 111102103123 - 2²¹ = 111100005971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111102103097 and 111102103106.

It is not an unprimeable number, because it can be changed into a prime (111102103103) 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, 49999836 + ... + 50002057.

It is an arithmetic number, because the mean of its divisors is an integer number (15300289782).

Almost surely, 2^111102103123 is an apocalyptic number.

111102103123 is a deficient number, since it is larger than the sum of its proper divisors (11300215133).

111102103123 is a wasteful number, since it uses less digits than its factorization.

111102103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100002005.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111102103123 its reverse (321301201111), we get a palindrome (432403304234).

The spelling of 111102103123 in words is "one hundred eleven billion, one hundred two million, one hundred three thousand, one hundred twenty-three".