21114141244171 has 2 divisors, whose sum is σ = 21114141244172. Its totient is φ = 21114141244170.

The previous prime is 21114141244153. The next prime is 21114141244213. The reversal of 21114141244171 is 17144214141112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21114141244171 - 2⁵ = 21114141244139 is a prime.

It is not a weakly prime, because it can be changed into another prime (21114141244871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10557070622085 + 10557070622086.

It is an arithmetic number, because the mean of its divisors is an integer number (10557070622086).

Almost surely, 2^{21114141244171} is an apocalyptic number.

21114141244171 is a deficient number, since it is larger than the sum of its proper divisors (1).

21114141244171 is an equidigital number, since it uses as much as digits as its factorization.

21114141244171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7168, while the sum is 34.

Adding to 21114141244171 its reverse (17144214141112), we get a palindrome (38258355385283).

The spelling of 21114141244171 in words is "twenty-one trillion, one hundred fourteen billion, one hundred forty-one million, two hundred forty-four thousand, one hundred seventy-one".