11221112110211 has 4 divisors (see below), whose sum is σ = 11228678606712. Its totient is φ = 11213545613712.

The previous prime is 11221112110151. The next prime is 11221112110217. The reversal of 11221112110211 is 11201121112211.

11221112110211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11221112110211 is a prime.

It is a super-2 number, since 2×11221112110211² (a number of 27 digits) contains 22 as substring.

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 11221112110211.

It is not an unprimeable number, because it can be changed into a prime (11221112110217) 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, 3783246026 + ... + 3783248991.

It is an arithmetic number, because the mean of its divisors is an integer number (2807169651678).

Almost surely, 2^{11221112110211} is an apocalyptic number.

11221112110211 is a deficient number, since it is larger than the sum of its proper divisors (7566496501).

11221112110211 is an equidigital number, since it uses as much as digits as its factorization.

11221112110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7566496500.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11221112110211 its reverse (11201121112211), we get a palindrome (22422233222422).

The spelling of 11221112110211 in words is "eleven trillion, two hundred twenty-one billion, one hundred twelve million, one hundred ten thousand, two hundred eleven".