111000000000111 has 32 divisors (see below), whose sum is σ = 155206880864448. Its totient is φ = 70495349760000.

The previous prime is 111000000000073. The next prime is 111000000000143.

111000000000111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 111000000000111 - 2¹⁵ = 110999999967343 is a prime.

111000000000111 is a strobogrammatic number because it is the same when read upside-down.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 111000000000111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000000000151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48884890 + ... + 51105111.

It is an arithmetic number, because the mean of its divisors is an integer number (4850215027014).

Almost surely, 2^{111000000000111} is an apocalyptic number.

111000000000111 is a deficient number, since it is larger than the sum of its proper divisors (44206880864337).

111000000000111 is a wasteful number, since it uses less digits than its factorization.

111000000000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99990251.

The product of its (nonzero) digits is 1, while the sum is 6.

It can be divided in two parts, 111000000000 and 111, that added together give a palindrome (111000000111).

The spelling of 111000000000111 in words is "one hundred eleven trillion, one hundred eleven", and thus it is an aban number.