11221011011047 has 2 divisors, whose sum is σ = 11221011011048. Its totient is φ = 11221011011046.

The previous prime is 11221011010997. The next prime is 11221011011051. The reversal of 11221011011047 is 74011011012211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11221011011047 - 2¹⁹ = 11221010486759 is a prime.

It is a super-2 number, since 2×11221011011047² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221011011447) 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, 5610505505523 + 5610505505524.

It is an arithmetic number, because the mean of its divisors is an integer number (5610505505524).

Almost surely, 2^{11221011011047} is an apocalyptic number.

11221011011047 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221011011047 is an equidigital number, since it uses as much as digits as its factorization.

11221011011047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 11221011011047 its reverse (74011011012211), we get a palindrome (85232022023258).

The spelling of 11221011011047 in words is "eleven trillion, two hundred twenty-one billion, eleven million, eleven thousand, forty-seven".