11220211120011 has 16 divisors (see below), whose sum is σ = 15772004294400. Its totient is φ = 7075496324448.

The previous prime is 11220211119899. The next prime is 11220211120051. The reversal of 11220211120011 is 11002111202211.

It is a happy number.

11220211120011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11220211120011 - 2⁹ = 11220211119499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11220211120051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152085076 + ... + 152158833.

It is an arithmetic number, because the mean of its divisors is an integer number (985750268400).

Almost surely, 2^{11220211120011} is an apocalyptic number.

11220211120011 is a deficient number, since it is larger than the sum of its proper divisors (4551793174389).

11220211120011 is a wasteful number, since it uses less digits than its factorization.

11220211120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304244578.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11220211120011 its reverse (11002111202211), we get a palindrome (22222322322222).

The spelling of 11220211120011 in words is "eleven trillion, two hundred twenty billion, two hundred eleven million, one hundred twenty thousand, eleven".