11012211202211 has 4 divisors (see below), whose sum is σ = 11151606280800. Its totient is φ = 10872816123624.

The previous prime is 11012211202199. The next prime is 11012211202219. The reversal of 11012211202211 is 11220211221011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11012211202211 - 2⁶ = 11012211202147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11012211202211.

It is not an unprimeable number, because it can be changed into a prime (11012211202219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69697539176 + ... + 69697539333.

It is an arithmetic number, because the mean of its divisors is an integer number (2787901570200).

Almost surely, 2^{11012211202211} is an apocalyptic number.

11012211202211 is a deficient number, since it is larger than the sum of its proper divisors (139395078589).

11012211202211 is an equidigital number, since it uses as much as digits as its factorization.

11012211202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139395078588.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11012211202211 its reverse (11220211221011), we get a palindrome (22232422423222).

The spelling of 11012211202211 in words is "eleven trillion, twelve billion, two hundred eleven million, two hundred two thousand, two hundred eleven".