111012111017 has 2 divisors, whose sum is σ = 111012111018. Its totient is φ = 111012111016.

The previous prime is 111012110999. The next prime is 111012111037. The reversal of 111012111017 is 710111210111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101669148736 + 9342962281 = 318856^2 + 96659^2 .

It is a cyclic number.

It is not a de Polignac number, because 111012111017 - 2¹² = 111012106921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111012110986 and 111012111004.

It is not a weakly prime, because it can be changed into another prime (111012111037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506055508 + 55506055509.

It is an arithmetic number, because the mean of its divisors is an integer number (55506055509).

Almost surely, 2^111012111017 is an apocalyptic number.

It is an amenable number.

111012111017 is a deficient number, since it is larger than the sum of its proper divisors (1).

111012111017 is an equidigital number, since it uses as much as digits as its factorization.

111012111017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 17.

Adding to 111012111017 its reverse (710111210111), we get a palindrome (821123321128).

The spelling of 111012111017 in words is "one hundred eleven billion, twelve million, one hundred eleven thousand, seventeen".