2021122012271 has 2 divisors, whose sum is σ = 2021122012272. Its totient is φ = 2021122012270.

The previous prime is 2021122012237. The next prime is 2021122012289. The reversal of 2021122012271 is 1722102211202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021122012271 - 2¹⁰ = 2021122011247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021122042271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010561006135 + 1010561006136.

It is an arithmetic number, because the mean of its divisors is an integer number (1010561006136).

Almost surely, 2^{2021122012271} is an apocalyptic number.

2021122012271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021122012271 is an equidigital number, since it uses as much as digits as its factorization.

2021122012271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 2021122012271 its reverse (1722102211202), we get a palindrome (3743224223473).

The spelling of 2021122012271 in words is "two trillion, twenty-one billion, one hundred twenty-two million, twelve thousand, two hundred seventy-one".