111030310123 has 4 divisors (see below), whose sum is σ = 111032972440. Its totient is φ = 111027647808.

The previous prime is 111030310099. The next prime is 111030310129. The reversal of 111030310123 is 321013030111.

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 111030310123 - 2⁵ = 111030310091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111030310097 and 111030310106.

It is not an unprimeable number, because it can be changed into a prime (111030310129) 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, 1267590 + ... + 1352347.

It is an arithmetic number, because the mean of its divisors is an integer number (27758243110).

Almost surely, 2^111030310123 is an apocalyptic number.

111030310123 is a deficient number, since it is larger than the sum of its proper divisors (2662317).

111030310123 is an equidigital number, since it uses as much as digits as its factorization.

111030310123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662316.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 111030310123 its reverse (321013030111), we get a palindrome (432043340234).

The spelling of 111030310123 in words is "one hundred eleven billion, thirty million, three hundred ten thousand, one hundred twenty-three".