2212118291 has 2 divisors, whose sum is σ = 2212118292. Its totient is φ = 2212118290.

The previous prime is 2212118257. The next prime is 2212118333. The reversal of 2212118291 is 1928112122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2212118291 - 2¹⁴ = 2212101907 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212118191) 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, 1106059145 + 1106059146.

It is an arithmetic number, because the mean of its divisors is an integer number (1106059146).

Almost surely, 2^2212118291 is an apocalyptic number.

2212118291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212118291 is an equidigital number, since it uses as much as digits as its factorization.

2212118291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 29.

The square root of 2212118291 is about 47033.1616096558. The cubic root of 2212118291 is about 1302.9750976260.

The spelling of 2212118291 in words is "two billion, two hundred twelve million, one hundred eighteen thousand, two hundred ninety-one".