1121231441227 has 2 divisors, whose sum is σ = 1121231441228. Its totient is φ = 1121231441226.

The previous prime is 1121231441189. The next prime is 1121231441293. The reversal of 1121231441227 is 7221441321211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121231441227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121231444227) 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, 560615720613 + 560615720614.

It is an arithmetic number, because the mean of its divisors is an integer number (560615720614).

Almost surely, 2^{1121231441227} is an apocalyptic number.

1121231441227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121231441227 is an equidigital number, since it uses as much as digits as its factorization.

1121231441227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 31.

Adding to 1121231441227 its reverse (7221441321211), we get a palindrome (8342672762438).

The spelling of 1121231441227 in words is "one trillion, one hundred twenty-one billion, two hundred thirty-one million, four hundred forty-one thousand, two hundred twenty-seven".