1111000001111 has 96 divisors (see below), whose sum is σ = 1597792627200. Its totient is φ = 749551968000.

The previous prime is 1111000001017. The next prime is 1111000001117.

1111000001111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1111000001111 - 2³⁴ = 1093820131927 is a prime.

1111000001111 is a strobogrammatic number because it is the same when read upside-down.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111000001117) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21103820 + ... + 21156398.

It is an arithmetic number, because the mean of its divisors is an integer number (16643673200).

Almost surely, 2^{1111000001111} is an apocalyptic number.

1111000001111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1111000001111 is a deficient number, since it is larger than the sum of its proper divisors (486792626089).

1111000001111 is a wasteful number, since it uses less digits than its factorization.

1111000001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52741 (or 52730 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 8.

It can be divided in two parts, 111100000 and 1111, that added together give a palindrome (111101111).

The spelling of 1111000001111 in words is "one trillion, one hundred eleven billion, one thousand, one hundred eleven".