1111310112123 has 12 divisors (see below), whose sum is σ = 1605500144248. Its totient is φ = 740746749600.

The previous prime is 1111310112109. The next prime is 1111310112151. The reversal of 1111310112123 is 3212110131111.

It is not a de Polignac number, because 1111310112123 - 2¹⁷ = 1111309981051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111310112096 and 1111310112105.

It is not an unprimeable number, because it can be changed into a prime (1111310912123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10499290 + ... + 10604607.

Almost surely, 2^{1111310112123} is an apocalyptic number.

1111310112123 is a deficient number, since it is larger than the sum of its proper divisors (494190032125).

1111310112123 is a wasteful number, since it uses less digits than its factorization.

1111310112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21109754 (or 21109751 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 1111310112123 its reverse (3212110131111), we get a palindrome (4323420243234).

The spelling of 1111310112123 in words is "one trillion, one hundred eleven billion, three hundred ten million, one hundred twelve thousand, one hundred twenty-three".