1111114111 has 4 divisors (see below), whose sum is σ = 1124501112. Its totient is φ = 1097727112.

The previous prime is 1111114099. The next prime is 1111114117. The reversal of 1111114111 is 1114111111.

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 1111114111 - 2⁹ = 1111113599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111114091 and 1111114100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111114117) 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, 6693376 + ... + 6693541.

It is an arithmetic number, because the mean of its divisors is an integer number (281125278).

Almost surely, 2^1111114111 is an apocalyptic number.

1111114111 is a deficient number, since it is larger than the sum of its proper divisors (13387001).

1111114111 is an equidigital number, since it uses as much as digits as its factorization.

1111114111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13387000.

The product of its digits is 4, while the sum is 13.

The square root of 1111114111 is about 33333.3783316363. The cubic root of 1111114111 is about 1035.7451007857.

Adding to 1111114111 its reverse (1114111111), we get a palindrome (2225225222).

It can be divided in two parts, 111 and 1114111, that multiplied together give a palindrome (123666321).

The spelling of 1111114111 in words is "one billion, one hundred eleven million, one hundred fourteen thousand, one hundred eleven".