1100011181111 has 2 divisors, whose sum is σ = 1100011181112. Its totient is φ = 1100011181110.

The previous prime is 1100011181107. The next prime is 1100011181147. The reversal of 1100011181111 is 1111811100011.

It is a weak prime.

It is an emirp because it is prime and its reverse (1111811100011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1100011181111 - 2² = 1100011181107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1100011181111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100011181161) 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, 550005590555 + 550005590556.

It is an arithmetic number, because the mean of its divisors is an integer number (550005590556).

Almost surely, 2^{1100011181111} is an apocalyptic number.

1100011181111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100011181111 is an equidigital number, since it uses as much as digits as its factorization.

1100011181111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 17.

Adding to 1100011181111 its reverse (1111811100011), we get a palindrome (2211822281122).

The spelling of 1100011181111 in words is "one trillion, one hundred billion, eleven million, one hundred eighty-one thousand, one hundred eleven".