111100000111171 has 2 divisors, whose sum is σ = 111100000111172. Its totient is φ = 111100000111170.

The previous prime is 111100000111109. The next prime is 111100000111183. The reversal of 111100000111171 is 171111000001111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111100000111171 - 2¹³ = 111100000102979 is a prime.

It is not a weakly prime, because it can be changed into another prime (111100000141171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550000055585 + 55550000055586.

It is an arithmetic number, because the mean of its divisors is an integer number (55550000055586).

Almost surely, 2^{111100000111171} is an apocalyptic number.

111100000111171 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100000111171 is an equidigital number, since it uses as much as digits as its factorization.

111100000111171 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 111100000111171 its reverse (171111000001111), we get a palindrome (282211000112282).

The spelling of 111100000111171 in words is "one hundred eleven trillion, one hundred billion, one hundred eleven thousand, one hundred seventy-one".