111111000001011 has 6 divisors (see below), whose sum is σ = 160493666668140. Its totient is φ = 74074000000668.

The previous prime is 111111000000977. The next prime is 111111000001033. The reversal of 111111000001011 is 110100000111111.

It is not a de Polignac number, because 111111000001011 - 2¹⁷ = 111110999869939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 12345666666779 = 111111000001011 / (1 + 1 + 1 + 1 + 1 + 1 + 0 + 0 + 0 + 0 + 0 + 1 + 0 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 111111000000984 and 111111000001002.

It is not an unprimeable number, because it can be changed into a prime (111111000001091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6172833333381 + ... + 6172833333398.

It is an arithmetic number, because the mean of its divisors is an integer number (26748944444690).

Almost surely, 2^{111111000001011} is an apocalyptic number.

111111000001011 is a deficient number, since it is larger than the sum of its proper divisors (49382666667129).

111111000001011 is a wasteful number, since it uses less digits than its factorization.

111111000001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12345666666785 (or 12345666666782 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 111111000001011 its reverse (110100000111111), we get a palindrome (221211000112122).

The spelling of 111111000001011 in words is "one hundred eleven trillion, one hundred eleven billion, one thousand, eleven".