1011111110011 has 2 divisors, whose sum is σ = 1011111110012. Its totient is φ = 1011111110010.

The previous prime is 1011111109997. The next prime is 1011111110041. The reversal of 1011111110011 is 1100111111101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011111110011 - 2¹⁷ = 1011110978939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1011111110011.

It is not a weakly prime, because it can be changed into another prime (1011111110041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505555555005 + 505555555006.

It is an arithmetic number, because the mean of its divisors is an integer number (505555555006).

Almost surely, 2^{1011111110011} is an apocalyptic number.

1011111110011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011111110011 is an equidigital number, since it uses as much as digits as its factorization.

1011111110011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 1011111110011 its reverse (1100111111101), we get a palindrome (2111222221112).

The spelling of 1011111110011 in words is "one trillion, eleven billion, one hundred eleven million, one hundred ten thousand, eleven".