22111201110211 has 2 divisors, whose sum is σ = 22111201110212. Its totient is φ = 22111201110210.

The previous prime is 22111201110199. The next prime is 22111201110227. The reversal of 22111201110211 is 11201110211122.

It is an a-pointer prime, because the next prime (22111201110227) can be obtained adding 22111201110211 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22111201110211 - 2⁷ = 22111201110083 is a prime.

It is not a weakly prime, because it can be changed into another prime (22111201110311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055600555105 + 11055600555106.

It is an arithmetic number, because the mean of its divisors is an integer number (11055600555106).

Almost surely, 2^{22111201110211} is an apocalyptic number.

22111201110211 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111201110211 is an equidigital number, since it uses as much as digits as its factorization.

22111201110211 is an evil number, because the sum of its binary digits is even.

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

Adding to 22111201110211 its reverse (11201110211122), we get a palindrome (33312311321333).

The spelling of 22111201110211 in words is "twenty-two trillion, one hundred eleven billion, two hundred one million, one hundred ten thousand, two hundred eleven".