11222111120211 has 40 divisors (see below), whose sum is σ = 17157352396800. Its totient is φ = 7305887616048.

The previous prime is 11222111120123. The next prime is 11222111120219. The reversal of 11222111120211 is 11202111122211.

It is a happy number.

11222111120211 is a `hidden beast` number, since 1 + 1 + 222 + 111 + 120 + 211 = 666.

It is not a de Polignac number, because 11222111120211 - 2⁷ = 11222111120083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11222111120219) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16379226 + ... + 17050608.

It is an arithmetic number, because the mean of its divisors is an integer number (428933809920).

Almost surely, 2^{11222111120211} is an apocalyptic number.

11222111120211 is a deficient number, since it is larger than the sum of its proper divisors (5935241276589).

11222111120211 is an equidigital number, since it uses as much as digits as its factorization.

11222111120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676237 (or 676228 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 11222111120211 its reverse (11202111122211), we get a palindrome (22424222242422).

It can be divided in two parts, 1122211 and 1120211, that added together give a palindrome (2242422).

The spelling of 11222111120211 in words is "eleven trillion, two hundred twenty-two billion, one hundred eleven million, one hundred twenty thousand, two hundred eleven".