2221221011227 has 2 divisors, whose sum is σ = 2221221011228. Its totient is φ = 2221221011226.

The previous prime is 2221221011201. The next prime is 2221221011231. The reversal of 2221221011227 is 7221101221222.

2221221011227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221221011227 - 2¹¹ = 2221221009179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221221011257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110610505613 + 1110610505614.

It is an arithmetic number, because the mean of its divisors is an integer number (1110610505614).

Almost surely, 2^{2221221011227} is an apocalyptic number.

2221221011227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221221011227 is an equidigital number, since it uses as much as digits as its factorization.

2221221011227 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2221221011227 its reverse (7221101221222), we get a palindrome (9442322232449).

The spelling of 2221221011227 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-one million, eleven thousand, two hundred twenty-seven".