11221208016727 has 2 divisors, whose sum is σ = 11221208016728. Its totient is φ = 11221208016726.

The previous prime is 11221208016713. The next prime is 11221208016757. The reversal of 11221208016727 is 72761080212211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11221208016727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11221208016727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221208016757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610604008363 + 5610604008364.

It is an arithmetic number, because the mean of its divisors is an integer number (5610604008364).

Almost surely, 2^{11221208016727} is an apocalyptic number.

11221208016727 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221208016727 is an equidigital number, since it uses as much as digits as its factorization.

11221208016727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 40.

Adding to 11221208016727 its reverse (72761080212211), we get a palindrome (83982288228938).

The spelling of 11221208016727 in words is "eleven trillion, two hundred twenty-one billion, two hundred eight million, sixteen thousand, seven hundred twenty-seven".