2120041271 has 2 divisors, whose sum is σ = 2120041272. Its totient is φ = 2120041270.

The previous prime is 2120041249. The next prime is 2120041369. The reversal of 2120041271 is 1721400212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120041271 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120041241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060020635 + 1060020636.

It is an arithmetic number, because the mean of its divisors is an integer number (1060020636).

Almost surely, 2^2120041271 is an apocalyptic number.

2120041271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120041271 is an equidigital number, since it uses as much as digits as its factorization.

2120041271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 2120041271 is about 46043.9059051249. The cubic root of 2120041271 is about 1284.6399938271.

Adding to 2120041271 its reverse (1721400212), we get a palindrome (3841441483).

The spelling of 2120041271 in words is "two billion, one hundred twenty million, forty-one thousand, two hundred seventy-one".