1111012204817 has 2 divisors, whose sum is σ = 1111012204818. Its totient is φ = 1111012204816.

The previous prime is 1111012204793. The next prime is 1111012204823. The reversal of 1111012204817 is 7184022101111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 952827824641 + 158184380176 = 976129^2 + 397724^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111012204817 - 2²⁸ = 1110743769361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111012204817.

It is not a weakly prime, because it can be changed into another prime (1111012204867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555506102408 + 555506102409.

It is an arithmetic number, because the mean of its divisors is an integer number (555506102409).

Almost surely, 2^{1111012204817} is an apocalyptic number.

It is an amenable number.

1111012204817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111012204817 is an equidigital number, since it uses as much as digits as its factorization.

1111012204817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 29.

Adding to 1111012204817 its reverse (7184022101111), we get a palindrome (8295034305928).

The spelling of 1111012204817 in words is "one trillion, one hundred eleven billion, twelve million, two hundred four thousand, eight hundred seventeen".