1211224203227 has 2 divisors, whose sum is σ = 1211224203228. Its totient is φ = 1211224203226.

The previous prime is 1211224203193. The next prime is 1211224203247. The reversal of 1211224203227 is 7223024221121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1211224203227 - 2¹⁰ = 1211224202203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1211224203227.

It is not a weakly prime, because it can be changed into another prime (1211224203247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605612101613 + 605612101614.

It is an arithmetic number, because the mean of its divisors is an integer number (605612101614).

Almost surely, 2^{1211224203227} is an apocalyptic number.

1211224203227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211224203227 is an equidigital number, since it uses as much as digits as its factorization.

1211224203227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

Adding to 1211224203227 its reverse (7223024221121), we get a palindrome (8434248424348).

The spelling of 1211224203227 in words is "one trillion, two hundred eleven billion, two hundred twenty-four million, two hundred three thousand, two hundred twenty-seven".