1111122222017 has 2 divisors, whose sum is σ = 1111122222018. Its totient is φ = 1111122222016.

The previous prime is 1111122221999. The next prime is 1111122222073. The reversal of 1111122222017 is 7102222211111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1110207824896 + 914397121 = 1053664^2 + 30239^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111122222017 - 2⁴⁰ = 11610594241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111122221983 and 1111122222001.

It is not a weakly prime, because it can be changed into another prime (1111122222517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555561111008 + 555561111009.

It is an arithmetic number, because the mean of its divisors is an integer number (555561111009).

Almost surely, 2^{1111122222017} is an apocalyptic number.

It is an amenable number.

1111122222017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111122222017 is an equidigital number, since it uses as much as digits as its factorization.

1111122222017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 1111122222017 its reverse (7102222211111), we get a palindrome (8213344433128).

The spelling of 1111122222017 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, two hundred twenty-two thousand, seventeen".