212102220022271 has 2 divisors, whose sum is σ = 212102220022272. Its totient is φ = 212102220022270.

The previous prime is 212102220022267. The next prime is 212102220022309. The reversal of 212102220022271 is 172220022201212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212102220022271 - 2² = 212102220022267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212102220022271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212102220022211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106051110011135 + 106051110011136.

It is an arithmetic number, because the mean of its divisors is an integer number (106051110011136).

Almost surely, 2^{212102220022271} is an apocalyptic number.

212102220022271 is a deficient number, since it is larger than the sum of its proper divisors (1).

212102220022271 is an equidigital number, since it uses as much as digits as its factorization.

212102220022271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 212102220022271 its reverse (172220022201212), we get a palindrome (384322242223483).

The spelling of 212102220022271 in words is "two hundred twelve trillion, one hundred two billion, two hundred twenty million, twenty-two thousand, two hundred seventy-one".