1120111012511 has 2 divisors, whose sum is σ = 1120111012512. Its totient is φ = 1120111012510.

The previous prime is 1120111012507. The next prime is 1120111012543. The reversal of 1120111012511 is 1152101110211.

It is a weak prime.

It is an emirp because it is prime and its reverse (1152101110211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120111012511 - 2² = 1120111012507 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1120111012511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120111012711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560055506255 + 560055506256.

It is an arithmetic number, because the mean of its divisors is an integer number (560055506256).

Almost surely, 2^{1120111012511} is an apocalyptic number.

1120111012511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120111012511 is an equidigital number, since it uses as much as digits as its factorization.

1120111012511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 17.

Adding to 1120111012511 its reverse (1152101110211), we get a palindrome (2272212122722).

The spelling of 1120111012511 in words is "one trillion, one hundred twenty billion, one hundred eleven million, twelve thousand, five hundred eleven".