10121020171 has 2 divisors, whose sum is σ = 10121020172. Its totient is φ = 10121020170.

The previous prime is 10121020163. The next prime is 10121020177. The reversal of 10121020171 is 17102012101.

10121020171 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (17102012101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10121020171 - 2³ = 10121020163 is a prime.

It is not a weakly prime, because it can be changed into another prime (10121020177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060510085 + 5060510086.

It is an arithmetic number, because the mean of its divisors is an integer number (5060510086).

Almost surely, 2^10121020171 is an apocalyptic number.

10121020171 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121020171 is an equidigital number, since it uses as much as digits as its factorization.

10121020171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 10121020171 its reverse (17102012101), we get a palindrome (27223032272).

The spelling of 10121020171 in words is "ten billion, one hundred twenty-one million, twenty thousand, one hundred seventy-one".