11220211202211 has 24 divisors (see below), whose sum is σ = 18289999456560. Its totient is φ = 6565640827200.

The previous prime is 11220211202147. The next prime is 11220211202293.

11220211202211 is a `hidden beast` number, since 1 + 1 + 220 + 211 + 20 + 2 + 211 = 666.

11220211202211 is nontrivially palindromic in base 10.

11220211202211 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 11220211202211 - 2⁶ = 11220211202147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11220211202311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1954056900 + ... + 1954062641.

It is an arithmetic number, because the mean of its divisors is an integer number (762083310690).

Almost surely, 2^{11220211202211} is an apocalyptic number.

11220211202211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11220211202211 is a deficient number, since it is larger than the sum of its proper divisors (7069788254349).

11220211202211 is a wasteful number, since it uses less digits than its factorization.

11220211202211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3908119587 (or 3908119584 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

It can be divided in two parts, 1122021 and 1202211, that added together give a palindrome (2324232).

The spelling of 11220211202211 in words is "eleven trillion, two hundred twenty billion, two hundred eleven million, two hundred two thousand, two hundred eleven".