1111111002011 has 2 divisors, whose sum is σ = 1111111002012. Its totient is φ = 1111111002010.

The previous prime is 1111111001983. The next prime is 1111111002017. The reversal of 1111111002011 is 1102001111111.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1102001111111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111111002011 - 2⁶ = 1111111001947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111111001983 and 1111111002001.

It is not a weakly prime, because it can be changed into another prime (1111111002017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555555501005 + 555555501006.

It is an arithmetic number, because the mean of its divisors is an integer number (555555501006).

Almost surely, 2^{1111111002011} is an apocalyptic number.

1111111002011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111111002011 is an equidigital number, since it uses as much as digits as its factorization.

1111111002011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1111111002011 its reverse (1102001111111), we get a palindrome (2213112113122).

The spelling of 1111111002011 in words is "one trillion, one hundred eleven billion, one hundred eleven million, two thousand, eleven".