1122217122847 has 2 divisors, whose sum is σ = 1122217122848. Its totient is φ = 1122217122846.

The previous prime is 1122217122811. The next prime is 1122217122947. The reversal of 1122217122847 is 7482217122211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122217122847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122217122947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561108561423 + 561108561424.

It is an arithmetic number, because the mean of its divisors is an integer number (561108561424).

Almost surely, 2^{1122217122847} is an apocalyptic number.

1122217122847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122217122847 is an equidigital number, since it uses as much as digits as its factorization.

1122217122847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50176, while the sum is 40.

The spelling of 1122217122847 in words is "one trillion, one hundred twenty-two billion, two hundred seventeen million, one hundred twenty-two thousand, eight hundred forty-seven".