2221122366311 has 2 divisors, whose sum is σ = 2221122366312. Its totient is φ = 2221122366310.

The previous prime is 2221122366227. The next prime is 2221122366349. The reversal of 2221122366311 is 1136632211222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221122366311 is a prime.

It is a super-2 number, since 2×2221122366311² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221122066311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110561183155 + 1110561183156.

It is an arithmetic number, because the mean of its divisors is an integer number (1110561183156).

Almost surely, 2^{2221122366311} is an apocalyptic number.

2221122366311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221122366311 is an equidigital number, since it uses as much as digits as its factorization.

2221122366311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

Adding to 2221122366311 its reverse (1136632211222), we get a palindrome (3357754577533).

The spelling of 2221122366311 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-two million, three hundred sixty-six thousand, three hundred eleven".