11222220220111 has 8 divisors (see below), whose sum is σ = 11882678821200. Its totient is φ = 10561798063488.

The previous prime is 11222220220097. The next prime is 11222220220129. The reversal of 11222220220111 is 11102202222211.

11222220220111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11222220220111 - 2¹¹ = 11222220218063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222220220151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8475876 + ... + 9710041.

It is an arithmetic number, because the mean of its divisors is an integer number (1485334852650).

Almost surely, 2^{11222220220111} is an apocalyptic number.

11222220220111 is a deficient number, since it is larger than the sum of its proper divisors (660458601089).

11222220220111 is a wasteful number, since it uses less digits than its factorization.

11222220220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18222233.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11222220220111 its reverse (11102202222211), we get a palindrome (22324422442322).

The spelling of 11222220220111 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty million, two hundred twenty thousand, one hundred eleven".