1110011111111 has 16 divisors (see below), whose sum is σ = 1332506477568. Its totient is φ = 904044240000.

The previous prime is 1110011111093. The next prime is 1110011111129. The reversal of 1110011111111 is 1111111100111.

It is an interprime number because it is at equal distance from previous prime (1110011111093) and next prime (1110011111129).

It is a cyclic number.

It is not a de Polignac number, because 1110011111111 - 2⁶ = 1110011111047 is a prime.

1110011111111 is a modest number, since divided by 1111111 gives 111001 as remainder.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1110011111092 and 1110011111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110011111711) 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 in 15 ways as a sum of consecutive naturals, for example, 22805090 + ... + 22853711.

It is an arithmetic number, because the mean of its divisors is an integer number (83281654848).

Almost surely, 2^{1110011111111} is an apocalyptic number.

1110011111111 is a deficient number, since it is larger than the sum of its proper divisors (222495366457).

1110011111111 is a wasteful number, since it uses less digits than its factorization.

1110011111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45658982.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 1110011111111 its reverse (1111111100111), we get a palindrome (2221122211222).

It can be divided in two parts, 11100111 and 11111, that multiplied together give a palindrome (123333333321).

The spelling of 1110011111111 in words is "one trillion, one hundred ten billion, eleven million, one hundred eleven thousand, one hundred eleven".