1100222001217 has 2 divisors, whose sum is σ = 1100222001218. Its totient is φ = 1100222001216.

The previous prime is 1100222001191. The next prime is 1100222001227. The reversal of 1100222001217 is 7121002220011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 594069436081 + 506152565136 = 770759^2 + 711444^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100222001217 - 2⁷ = 1100222001089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100222001194 and 1100222001203.

It is not a weakly prime, because it can be changed into another prime (1100222001227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550111000608 + 550111000609.

It is an arithmetic number, because the mean of its divisors is an integer number (550111000609).

Almost surely, 2^{1100222001217} is an apocalyptic number.

It is an amenable number.

1100222001217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100222001217 is an equidigital number, since it uses as much as digits as its factorization.

1100222001217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 1100222001217 its reverse (7121002220011), we get a palindrome (8221224221228).

The spelling of 1100222001217 in words is "one trillion, one hundred billion, two hundred twenty-two million, one thousand, two hundred seventeen".