111120100112017 has 2 divisors, whose sum is σ = 111120100112018. Its totient is φ = 111120100112016.

The previous prime is 111120100111859. The next prime is 111120100112027. The reversal of 111120100112017 is 710211001021111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104437751031441 + 6682349080576 = 10219479^2 + 2585024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111120100112017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111120100111985 and 111120100112003.

It is not a weakly prime, because it can be changed into another prime (111120100112027) 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, 55560050056008 + 55560050056009.

It is an arithmetic number, because the mean of its divisors is an integer number (55560050056009).

Almost surely, 2^{111120100112017} is an apocalyptic number.

It is an amenable number.

111120100112017 is a deficient number, since it is larger than the sum of its proper divisors (1).

111120100112017 is an equidigital number, since it uses as much as digits as its factorization.

111120100112017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 19.

Adding to 111120100112017 its reverse (710211001021111), we get a palindrome (821331101133128).

The spelling of 111120100112017 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred million, one hundred twelve thousand, seventeen".