2212221311 has 2 divisors, whose sum is σ = 2212221312. Its totient is φ = 2212221310.

The previous prime is 2212221289. The next prime is 2212221313. The reversal of 2212221311 is 1131222122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2212221311 - 2¹⁰ = 2212220287 is a prime.

Together with 2212221313, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2212221311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212221313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106110655 + 1106110656.

It is an arithmetic number, because the mean of its divisors is an integer number (1106110656).

Almost surely, 2^2212221311 is an apocalyptic number.

2212221311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212221311 is an equidigital number, since it uses as much as digits as its factorization.

2212221311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96, while the sum is 17.

The square root of 2212221311 is about 47034.2567816267. The cubic root of 2212221311 is about 1302.9953241530.

Adding to 2212221311 its reverse (1131222122), we get a palindrome (3343443433).

The spelling of 2212221311 in words is "two billion, two hundred twelve million, two hundred twenty-one thousand, three hundred eleven".