11221200212011 has 2 divisors, whose sum is σ = 11221200212012. Its totient is φ = 11221200212010.

The previous prime is 11221200211957. The next prime is 11221200212029. The reversal of 11221200212011 is 11021200212211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11221200212011 - 2¹¹ = 11221200209963 is a prime.

It is a super-2 number, since 2×11221200212011² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11221200212611) 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, 5610600106005 + 5610600106006.

It is an arithmetic number, because the mean of its divisors is an integer number (5610600106006).

Almost surely, 2^{11221200212011} is an apocalyptic number.

11221200212011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221200212011 is an equidigital number, since it uses as much as digits as its factorization.

11221200212011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11221200212011 its reverse (11021200212211), we get a palindrome (22242400424222).

The spelling of 11221200212011 in words is "eleven trillion, two hundred twenty-one billion, two hundred million, two hundred twelve thousand, eleven".