2211313320277 has 2 divisors, whose sum is σ = 2211313320278. Its totient is φ = 2211313320276.

The previous prime is 2211313320259. The next prime is 2211313320323. The reversal of 2211313320277 is 7720233131122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1313886770001 + 897426550276 = 1146249^2 + 947326^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211313320277 - 2²⁷ = 2211179102549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211313320577) 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, 1105656660138 + 1105656660139.

It is an arithmetic number, because the mean of its divisors is an integer number (1105656660139).

Almost surely, 2^{2211313320277} is an apocalyptic number.

It is an amenable number.

2211313320277 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211313320277 is an equidigital number, since it uses as much as digits as its factorization.

2211313320277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

Adding to 2211313320277 its reverse (7720233131122), we get a palindrome (9931546451399).

The spelling of 2211313320277 in words is "two trillion, two hundred eleven billion, three hundred thirteen million, three hundred twenty thousand, two hundred seventy-seven".