1111123120311 has 24 divisors (see below), whose sum is σ = 1648441582320. Its totient is φ = 720680944896.

The previous prime is 1111123120297. The next prime is 1111123120319. The reversal of 1111123120311 is 1130213211111.

1111123120311 is a `hidden beast` number, since 1 + 111 + 123 + 120 + 311 = 666.

It is not a de Polignac number, because 1111123120311 - 2⁵ = 1111123120279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111123120319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5348956 + ... + 5552798.

It is an arithmetic number, because the mean of its divisors is an integer number (68685065930).

Almost surely, 2^{1111123120311} is an apocalyptic number.

1111123120311 is a deficient number, since it is larger than the sum of its proper divisors (537318462009).

1111123120311 is a wasteful number, since it uses less digits than its factorization.

1111123120311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220255 (or 220252 counting only the distinct ones).

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

Adding to 1111123120311 its reverse (1130213211111), we get a palindrome (2241336331422).

The spelling of 1111123120311 in words is "one trillion, one hundred eleven billion, one hundred twenty-three million, one hundred twenty thousand, three hundred eleven".