2011122227 has 2 divisors, whose sum is σ = 2011122228. Its totient is φ = 2011122226.

The previous prime is 2011122209. The next prime is 2011122229. The reversal of 2011122227 is 7222211102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011122227 - 2²⁰ = 2010073651 is a prime.

It is a super-2 number, since 2×2011122227² = 8089225223866879058, which contains 22 as substring.

Together with 2011122229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011122199 and 2011122208.

It is not a weakly prime, because it can be changed into another prime (2011122229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005561113 + 1005561114.

It is an arithmetic number, because the mean of its divisors is an integer number (1005561114).

Almost surely, 2^2011122227 is an apocalyptic number.

2011122227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011122227 is an equidigital number, since it uses as much as digits as its factorization.

2011122227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 2011122227 is about 44845.5374257016. The cubic root of 2011122227 is about 1262.2522551745.

Adding to 2011122227 its reverse (7222211102), we get a palindrome (9233333329).

The spelling of 2011122227 in words is "two billion, eleven million, one hundred twenty-two thousand, two hundred twenty-seven".