11022643263221 has 2 divisors, whose sum is σ = 11022643263222. Its totient is φ = 11022643263220.

The previous prime is 11022643263193. The next prime is 11022643263241. The reversal of 11022643263221 is 12236234622011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7480832182321 + 3541811080900 = 2735111^2 + 1881970^2 .

It is a cyclic number.

It is not a de Polignac number, because 11022643263221 - 2¹⁴ = 11022643246837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11022643263241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511321631610 + 5511321631611.

It is an arithmetic number, because the mean of its divisors is an integer number (5511321631611).

Almost surely, 2^{11022643263221} is an apocalyptic number.

It is an amenable number.

11022643263221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11022643263221 is an equidigital number, since it uses as much as digits as its factorization.

11022643263221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 11022643263221 its reverse (12236234622011), we get a palindrome (23258877885232).

The spelling of 11022643263221 in words is "eleven trillion, twenty-two billion, six hundred forty-three million, two hundred sixty-three thousand, two hundred twenty-one".