201111120211 has 2 divisors, whose sum is σ = 201111120212. Its totient is φ = 201111120210.

The previous prime is 201111120167. The next prime is 201111120229. The reversal of 201111120211 is 112021111102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201111120211 - 2¹¹ = 201111118163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201111120191 and 201111120200.

It is not a weakly prime, because it can be changed into another prime (201111120281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100555560105 + 100555560106.

It is an arithmetic number, because the mean of its divisors is an integer number (100555560106).

Almost surely, 2^201111120211 is an apocalyptic number.

201111120211 is a deficient number, since it is larger than the sum of its proper divisors (1).

201111120211 is an equidigital number, since it uses as much as digits as its factorization.

201111120211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201111120211 its reverse (112021111102), we get a palindrome (313132231313).

The spelling of 201111120211 in words is "two hundred one billion, one hundred eleven million, one hundred twenty thousand, two hundred eleven".