1111101100171 has 2 divisors, whose sum is σ = 1111101100172. Its totient is φ = 1111101100170.

The previous prime is 1111101100157. The next prime is 1111101100229. The reversal of 1111101100171 is 1710011011111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111101100171 - 2²⁹ = 1110564229259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111101100271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555550550085 + 555550550086.

It is an arithmetic number, because the mean of its divisors is an integer number (555550550086).

Almost surely, 2^{1111101100171} is an apocalyptic number.

1111101100171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111101100171 is an equidigital number, since it uses as much as digits as its factorization.

1111101100171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7, while the sum is 16.

Adding to 1111101100171 its reverse (1710011011111), we get a palindrome (2821112111282).

The spelling of 1111101100171 in words is "one trillion, one hundred eleven billion, one hundred one million, one hundred thousand, one hundred seventy-one".