11220012012211 has 48 divisors (see below), whose sum is σ = 11824169011200. Its totient is φ = 10642082330880.

The previous prime is 11220012012203. The next prime is 11220012012229. The reversal of 11220012012211 is 11221021002211.

It is not a de Polignac number, because 11220012012211 - 2³ = 11220012012203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220012012241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2171472550 + ... + 2171477716.

It is an arithmetic number, because the mean of its divisors is an integer number (246336854400).

Almost surely, 2^{11220012012211} is an apocalyptic number.

11220012012211 is a deficient number, since it is larger than the sum of its proper divisors (604156998989).

11220012012211 is an frugal number, since it uses more digits than its factorization.

11220012012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540 (or 5479 counting only the distinct ones).

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

Adding to 11220012012211 its reverse (11221021002211), we get a palindrome (22441033014422).

The spelling of 11220012012211 in words is "eleven trillion, two hundred twenty billion, twelve million, twelve thousand, two hundred eleven".