2112111021227 has 2 divisors, whose sum is σ = 2112111021228. Its totient is φ = 2112111021226.

The previous prime is 2112111021217. The next prime is 2112111021367. The reversal of 2112111021227 is 7221201112112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112111021227 is a prime.

It is a super-2 number, since 2×2112111021227² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2112111021217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056055510613 + 1056055510614.

It is an arithmetic number, because the mean of its divisors is an integer number (1056055510614).

Almost surely, 2^{2112111021227} is an apocalyptic number.

2112111021227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112111021227 is an equidigital number, since it uses as much as digits as its factorization.

2112111021227 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 23.

Adding to 2112111021227 its reverse (7221201112112), we get a palindrome (9333312133339).

The spelling of 2112111021227 in words is "two trillion, one hundred twelve billion, one hundred eleven million, twenty-one thousand, two hundred twenty-seven".