111112424123 has 4 divisors (see below), whose sum is σ = 111573471768. Its totient is φ = 110651376480.

The previous prime is 111112424081. The next prime is 111112424147. The reversal of 111112424123 is 321424211111.

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 111112424123 - 2⁸ = 111112423867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111112424923) 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, 230523461 + ... + 230523942.

It is an arithmetic number, because the mean of its divisors is an integer number (27893367942).

Almost surely, 2^111112424123 is an apocalyptic number.

111112424123 is a deficient number, since it is larger than the sum of its proper divisors (461047645).

111112424123 is an equidigital number, since it uses as much as digits as its factorization.

111112424123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461047644.

The product of its digits is 384, while the sum is 23.

Adding to 111112424123 its reverse (321424211111), we get a palindrome (432536635234).

The spelling of 111112424123 in words is "one hundred eleven billion, one hundred twelve million, four hundred twenty-four thousand, one hundred twenty-three".