2112021221227 has 2 divisors, whose sum is σ = 2112021221228. Its totient is φ = 2112021221226.

The previous prime is 2112021221183. The next prime is 2112021221231. The reversal of 2112021221227 is 7221221202112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112021221227 is a prime.

It is not a weakly prime, because it can be changed into another prime (2112021221257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056010610613 + 1056010610614.

It is an arithmetic number, because the mean of its divisors is an integer number (1056010610614).

Almost surely, 2^{2112021221227} is an apocalyptic number.

2112021221227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112021221227 is an equidigital number, since it uses as much as digits as its factorization.

2112021221227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 2112021221227 its reverse (7221221202112), we get a palindrome (9333242423339).

The spelling of 2112021221227 in words is "two trillion, one hundred twelve billion, twenty-one million, two hundred twenty-one thousand, two hundred twenty-seven".