201112011211 has 2 divisors, whose sum is σ = 201112011212. Its totient is φ = 201112011210.

The previous prime is 201112011209. The next prime is 201112011227. The reversal of 201112011211 is 112110211102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201112011211 - 2¹ = 201112011209 is a prime.

Together with 201112011209, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 201112011191 and 201112011200.

It is not a weakly prime, because it can be changed into another prime (201112011241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100556005605 + 100556005606.

It is an arithmetic number, because the mean of its divisors is an integer number (100556005606).

Almost surely, 2^201112011211 is an apocalyptic number.

201112011211 is a deficient number, since it is larger than the sum of its proper divisors (1).

201112011211 is an equidigital number, since it uses as much as digits as its factorization.

201112011211 is an odious number, because the sum of its binary digits is odd.

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

Adding to 201112011211 its reverse (112110211102), we get a palindrome (313222222313).

The spelling of 201112011211 in words is "two hundred one billion, one hundred twelve million, eleven thousand, two hundred eleven".