1116121113113 has 2 divisors, whose sum is σ = 1116121113114. Its totient is φ = 1116121113112.

The previous prime is 1116121113083. The next prime is 1116121113221. The reversal of 1116121113113 is 3113111216111.

It is a m-pointer prime, because the next prime (1116121113221) can be obtained adding 1116121113113 to its product of digits (108).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1084270286089 + 31850827024 = 1041283^2 + 178468^2 .

It is a cyclic number.

It is not a de Polignac number, because 1116121113113 - 2⁸ = 1116121112857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1116121113013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558060556556 + 558060556557.

It is an arithmetic number, because the mean of its divisors is an integer number (558060556557).

Almost surely, 2^{1116121113113} is an apocalyptic number.

It is an amenable number.

1116121113113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116121113113 is an equidigital number, since it uses as much as digits as its factorization.

1116121113113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 23.

Adding to 1116121113113 its reverse (3113111216111), we get a palindrome (4229232329224).

The spelling of 1116121113113 in words is "one trillion, one hundred sixteen billion, one hundred twenty-one million, one hundred thirteen thousand, one hundred thirteen".