20212213210271 has 2 divisors, whose sum is σ = 20212213210272. Its totient is φ = 20212213210270.

The previous prime is 20212213210223. The next prime is 20212213210331. The reversal of 20212213210271 is 17201231221202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20212213210271 - 2³⁰ = 20211139468447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20212213210271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20212213210201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106106605135 + 10106106605136.

It is an arithmetic number, because the mean of its divisors is an integer number (10106106605136).

Almost surely, 2^{20212213210271} is an apocalyptic number.

20212213210271 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212213210271 is an equidigital number, since it uses as much as digits as its factorization.

20212213210271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 20212213210271 its reverse (17201231221202), we get a palindrome (37413444431473).

The spelling of 20212213210271 in words is "twenty trillion, two hundred twelve billion, two hundred thirteen million, two hundred ten thousand, two hundred seventy-one".