111103101303123 has 16 divisors (see below), whose sum is σ = 151582906407680. Its totient is φ = 72346023850464.

The previous prime is 111103101303119. The next prime is 111103101303143. The reversal of 111103101303123 is 321303101301111.

It is not a de Polignac number, because 111103101303123 - 2² = 111103101303119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111103101303123.

It is not an unprimeable number, because it can be changed into a prime (111103101303143) 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 15 ways as a sum of consecutive naturals, for example, 67090533 + ... + 68726601.

It is an arithmetic number, because the mean of its divisors is an integer number (9473931650480).

Almost surely, 2^{111103101303123} is an apocalyptic number.

111103101303123 is a deficient number, since it is larger than the sum of its proper divisors (40479805104557).

111103101303123 is a wasteful number, since it uses less digits than its factorization.

111103101303123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162538.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 111103101303123 its reverse (321303101301111), we get a palindrome (432406202604234).

The spelling of 111103101303123 in words is "one hundred eleven trillion, one hundred three billion, one hundred one million, three hundred three thousand, one hundred twenty-three".