2122122121271 has 2 divisors, whose sum is σ = 2122122121272. Its totient is φ = 2122122121270.

The previous prime is 2122122121181. The next prime is 2122122121321. The reversal of 2122122121271 is 1721212212212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2122122121271 - 2¹⁴ = 2122122104887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122122121271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122122121571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061061060635 + 1061061060636.

It is an arithmetic number, because the mean of its divisors is an integer number (1061061060636).

Almost surely, 2^{2122122121271} is an apocalyptic number.

2122122121271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122122121271 is an equidigital number, since it uses as much as digits as its factorization.

2122122121271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 896, while the sum is 26.

Adding to 2122122121271 its reverse (1721212212212), we get a palindrome (3843334333483).

The spelling of 2122122121271 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred seventy-one".