2211022328857 has 2 divisors, whose sum is σ = 2211022328858. Its totient is φ = 2211022328856.

The previous prime is 2211022328833. The next prime is 2211022328863. The reversal of 2211022328857 is 7588232201122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2201956242201 + 9066086656 = 1483899^2 + 95216^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211022328857 - 2¹¹ = 2211022326809 is a prime.

It is not a weakly prime, because it can be changed into another prime (2211022328897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105511164428 + 1105511164429.

It is an arithmetic number, because the mean of its divisors is an integer number (1105511164429).

Almost surely, 2^{2211022328857} is an apocalyptic number.

It is an amenable number.

2211022328857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211022328857 is an equidigital number, since it uses as much as digits as its factorization.

2211022328857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 43.

Adding to 2211022328857 its reverse (7588232201122), we get a palindrome (9799254529979).

The spelling of 2211022328857 in words is "two trillion, two hundred eleven billion, twenty-two million, three hundred twenty-eight thousand, eight hundred fifty-seven".