1121210013017 has 2 divisors, whose sum is σ = 1121210013018. Its totient is φ = 1121210013016.

The previous prime is 1121210013013. The next prime is 1121210013019. The reversal of 1121210013017 is 7103100121211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 678573947536 + 442636065481 = 823756^2 + 665309^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121210013017 - 2² = 1121210013013 is a prime.

It is a super-2 number, since 2×1121210013017² (a number of 25 digits) contains 22 as substring.

Together with 1121210013019, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121210013017.

It is not a weakly prime, because it can be changed into another prime (1121210013013) 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, 560605006508 + 560605006509.

It is an arithmetic number, because the mean of its divisors is an integer number (560605006509).

Almost surely, 2^{1121210013017} is an apocalyptic number.

It is an amenable number.

1121210013017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121210013017 is an equidigital number, since it uses as much as digits as its factorization.

1121210013017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 20.

Adding to 1121210013017 its reverse (7103100121211), we get a palindrome (8224310134228).

The spelling of 1121210013017 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, thirteen thousand, seventeen".