1122002221217 has 2 divisors, whose sum is σ = 1122002221218. Its totient is φ = 1122002221216.

The previous prime is 1122002221181. The next prime is 1122002221231. The reversal of 1122002221217 is 7121222002211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 899075654416 + 222926566801 = 948196^2 + 472151^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122002221217 - 2¹⁰ = 1122002220193 is a prime.

It is a super-2 number, since 2×1122002221217² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122002221192 and 1122002221201.

It is not a weakly prime, because it can be changed into another prime (1122002221267) 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, 561001110608 + 561001110609.

It is an arithmetic number, because the mean of its divisors is an integer number (561001110609).

Almost surely, 2^{1122002221217} is an apocalyptic number.

It is an amenable number.

1122002221217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122002221217 is an equidigital number, since it uses as much as digits as its factorization.

1122002221217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 1122002221217 its reverse (7121222002211), we get a palindrome (8243224223428).

The spelling of 1122002221217 in words is "one trillion, one hundred twenty-two billion, two million, two hundred twenty-one thousand, two hundred seventeen".