20010210201271 has 2 divisors, whose sum is σ = 20010210201272. Its totient is φ = 20010210201270.

The previous prime is 20010210201239. The next prime is 20010210201323. The reversal of 20010210201271 is 17210201201002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20010210201271 - 2⁵ = 20010210201239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010210201671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005105100635 + 10005105100636.

It is an arithmetic number, because the mean of its divisors is an integer number (10005105100636).

Almost surely, 2^{20010210201271} is an apocalyptic number.

20010210201271 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010210201271 is an equidigital number, since it uses as much as digits as its factorization.

20010210201271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 20010210201271 its reverse (17210201201002), we get a palindrome (37220411402273).

The spelling of 20010210201271 in words is "twenty trillion, ten billion, two hundred ten million, two hundred one thousand, two hundred seventy-one".