111122117 has 2 divisors, whose sum is σ = 111122118.
Its totient is φ = 111122116.
The previous prime is 111122101. The next prime is 111122159. The reversal of 111122117 is 711221111.
Adding to 111122117 its reverse (711221111), we get a palindrome (822343228).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 106791556 + 4330561 = 10334^2 + 2081^2
It is a cyclic number.
It is not a de Polignac number, because 111122117 - 24 = 111122101 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 111122095 and 111122104.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (111121117) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55561058 + 55561059.
It is an arithmetic number, because the mean of its divisors is an integer number (55561059).
Almost surely, 2111122117 is an apocalyptic number.
It is an amenable number.
111122117 is a deficient number, since it is larger than the sum of its proper divisors (1).
111122117 is an equidigital number, since it uses as much as digits as its factorization.
111122117 is an evil number, because the sum of its binary digits is even.
The product of its digits is 28, while the sum is 17.
The square root of 111122117 is about 10541.4475761159.
The cubic root of 111122117 is about 480.7657294836.
The spelling of 111122117 in words is "one hundred eleven million, one hundred twenty-two thousand, one hundred seventeen".