1114123111 has 4 divisors (see below), whose sum is σ = 1115092224. Its totient is φ = 1113154000.

The previous prime is 1114123103. The next prime is 1114123141. The reversal of 1114123111 is 1113214111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1113214111 = 17 ⋅65483183.

It is a cyclic number.

It is not a de Polignac number, because 1114123111 - 2³ = 1114123103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1114123141) 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, 482830 + ... + 485131.

It is an arithmetic number, because the mean of its divisors is an integer number (278773056).

Almost surely, 2^1114123111 is an apocalyptic number.

1114123111 is a deficient number, since it is larger than the sum of its proper divisors (969113).

1114123111 is an equidigital number, since it uses as much as digits as its factorization.

1114123111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969112.

The product of its digits is 24, while the sum is 16.

The square root of 1114123111 is about 33378.4827546130. The cubic root of 1114123111 is about 1036.6792226411.

Adding to 1114123111 its reverse (1113214111), we get a palindrome (2227337222).

The spelling of 1114123111 in words is "one billion, one hundred fourteen million, one hundred twenty-three thousand, one hundred eleven".