2011212227 has 2 divisors, whose sum is σ = 2011212228. Its totient is φ = 2011212226.

The previous prime is 2011212221. The next prime is 2011212289. The reversal of 2011212227 is 7222121102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011212227 - 2⁶ = 2011212163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011212199 and 2011212208.

It is not a weakly prime, because it can be changed into another prime (2011212221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005606113 + 1005606114.

It is an arithmetic number, because the mean of its divisors is an integer number (1005606114).

Almost surely, 2^2011212227 is an apocalyptic number.

2011212227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011212227 is an equidigital number, since it uses as much as digits as its factorization.

2011212227 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2011212227 is about 44846.5408587998. The cubic root of 2011212227 is about 1262.2710839669.

Adding to 2011212227 its reverse (7222121102), we get a palindrome (9233333329).

The spelling of 2011212227 in words is "two billion, eleven million, two hundred twelve thousand, two hundred twenty-seven".