1011200000171 has 2 divisors, whose sum is σ = 1011200000172. Its totient is φ = 1011200000170.

The previous prime is 1011200000159. The next prime is 1011200000183. The reversal of 1011200000171 is 1710000021101.

1011200000171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (1011200000159) and next prime (1011200000183).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011200000171 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1011200000771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505600000085 + 505600000086.

It is an arithmetic number, because the mean of its divisors is an integer number (505600000086).

Almost surely, 2^{1011200000171} is an apocalyptic number.

1011200000171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011200000171 is an equidigital number, since it uses as much as digits as its factorization.

1011200000171 is an evil number, because the sum of its binary digits is even.

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

Adding to 1011200000171 its reverse (1710000021101), we get a palindrome (2721200021272).

The spelling of 1011200000171 in words is "one trillion, eleven billion, two hundred million, one hundred seventy-one", and thus it is an aban number.