11221196675681 has 2 divisors, whose sum is σ = 11221196675682. Its totient is φ = 11221196675680.

The previous prime is 11221196675669. The next prime is 11221196675723. The reversal of 11221196675681 is 18657669112211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5934802461025 + 5286394214656 = 2436145^2 + 2299216^2 .

It is a cyclic number.

It is not a de Polignac number, because 11221196675681 - 2¹⁴ = 11221196659297 is a prime.

It is a super-2 number, since 2×11221196675681² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11221196672681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610598337840 + 5610598337841.

It is an arithmetic number, because the mean of its divisors is an integer number (5610598337841).

Almost surely, 2^{11221196675681} is an apocalyptic number.

It is an amenable number.

11221196675681 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221196675681 is an equidigital number, since it uses as much as digits as its factorization.

11221196675681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 56.

The spelling of 11221196675681 in words is "eleven trillion, two hundred twenty-one billion, one hundred ninety-six million, six hundred seventy-five thousand, six hundred eighty-one".