100011111011171 has 2 divisors, whose sum is σ = 100011111011172. Its totient is φ = 100011111011170.

The previous prime is 100011111011153. The next prime is 100011111011263. The reversal of 100011111011171 is 171110111110001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100011111011171 is a prime.

It is not a weakly prime, because it can be changed into another prime (100011111211171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005555505585 + 50005555505586.

It is an arithmetic number, because the mean of its divisors is an integer number (50005555505586).

Almost surely, 2^{100011111011171} is an apocalyptic number.

100011111011171 is a deficient number, since it is larger than the sum of its proper divisors (1).

100011111011171 is an equidigital number, since it uses as much as digits as its factorization.

100011111011171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7, while the sum is 17.

Adding to 100011111011171 its reverse (171110111110001), we get a palindrome (271121222121172).

The spelling of 100011111011171 in words is "one hundred trillion, eleven billion, one hundred eleven million, eleven thousand, one hundred seventy-one".