111227117 has 4 divisors (see below), whose sum is σ = 111275196. Its totient is φ = 111179040.

The previous prime is 111227113. The next prime is 111227147. The reversal of 111227117 is 711722111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 711722111 = 43 ⋅16551677.

It can be written as a sum of positive squares in 2 ways, for example, as 82700836 + 28526281 = 9094^2 + 5341^2 .

It is a cyclic number.

It is not a de Polignac number, because 111227117 - 2² = 111227113 is a prime.

It is a super-2 number, since 2×111227117² = 24742943112263378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111227092 and 111227101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111227113) 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, 20384 + ... + 25257.

It is an arithmetic number, because the mean of its divisors is an integer number (27818799).

Almost surely, 2^111227117 is an apocalyptic number.

It is an amenable number.

111227117 is a deficient number, since it is larger than the sum of its proper divisors (48079).

111227117 is an equidigital number, since it uses as much as digits as its factorization.

111227117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48078.

The product of its digits is 196, while the sum is 23.

The square root of 111227117 is about 10546.4267408445. The cubic root of 111227117 is about 480.9171080196.

Adding to 111227117 its reverse (711722111), we get a palindrome (822949228).

The spelling of 111227117 in words is "one hundred eleven million, two hundred twenty-seven thousand, one hundred seventeen".