200212122100171 has 2 divisors, whose sum is σ = 200212122100172. Its totient is φ = 200212122100170.

The previous prime is 200212122100169. The next prime is 200212122100259. The reversal of 200212122100171 is 171001221212002.

200212122100171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200212122100171 - 2¹ = 200212122100169 is a prime.

Together with 200212122100169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (200212122101171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100106061050085 + 100106061050086.

It is an arithmetic number, because the mean of its divisors is an integer number (100106061050086).

Almost surely, 2^{200212122100171} is an apocalyptic number.

200212122100171 is a deficient number, since it is larger than the sum of its proper divisors (1).

200212122100171 is an equidigital number, since it uses as much as digits as its factorization.

200212122100171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 200212122100171 its reverse (171001221212002), we get a palindrome (371213343312173).

The spelling of 200212122100171 in words is "two hundred trillion, two hundred twelve billion, one hundred twenty-two million, one hundred thousand, one hundred seventy-one".