1011101011171 has 2 divisors, whose sum is σ = 1011101011172. Its totient is φ = 1011101011170.

The previous prime is 1011101011147. The next prime is 1011101011187. The reversal of 1011101011171 is 1711101011101.

1011101011171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (1011101011187) can be obtained adding 1011101011171 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011101011171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011101011871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505550505585 + 505550505586.

It is an arithmetic number, because the mean of its divisors is an integer number (505550505586).

Almost surely, 2^{1011101011171} is an apocalyptic number.

1011101011171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011101011171 is an equidigital number, since it uses as much as digits as its factorization.

1011101011171 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 1011101011171 its reverse (1711101011101), we get a palindrome (2722202022272).

The spelling of 1011101011171 in words is "one trillion, eleven billion, one hundred one million, eleven thousand, one hundred seventy-one".