11122117 has 4 divisors (see below), whose sum is σ = 11236876. Its totient is φ = 11007360.

The previous prime is 11122099. The next prime is 11122129. The reversal of 11122117 is 71122111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71122111 = 19 ⋅3743269.

It can be written as a sum of positive squares in 2 ways, for example, as 4726276 + 6395841 = 2174^2 + 2529^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122117 - 2⁷ = 11121989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11122117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57234 + ... + 57427.

It is an arithmetic number, because the mean of its divisors is an integer number (2809219).

Almost surely, 2^11122117 is an apocalyptic number.

It is an amenable number.

11122117 is a deficient number, since it is larger than the sum of its proper divisors (114759).

11122117 is an equidigital number, since it uses as much as digits as its factorization.

11122117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114758.

The product of its digits is 28, while the sum is 16.

The square root of 11122117 is about 3334.9838080566. The cubic root of 11122117 is about 223.2179694277.

Adding to 11122117 its reverse (71122111), we get a palindrome (82244228).

The spelling of 11122117 in words is "eleven million, one hundred twenty-two thousand, one hundred seventeen".