1100000001111 has 16 divisors (see below), whose sum is σ = 1604113130880. Its totient is φ = 664952863520.

The previous prime is 1100000001097. The next prime is 1100000001127. The reversal of 1100000001111 is 1111000000011.

It is not a de Polignac number, because 1100000001111 - 2⁹ = 1100000000599 is a prime.

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 1100000001111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100000001311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42832065 + ... + 42857738.

It is an arithmetic number, because the mean of its divisors is an integer number (100257070680).

Almost surely, 2^{1100000001111} is an apocalyptic number.

1100000001111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1100000001111 is a deficient number, since it is larger than the sum of its proper divisors (504113129769).

1100000001111 is a wasteful number, since it uses less digits than its factorization.

1100000001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85690206.

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

Adding to 1100000001111 its reverse (1111000000011), we get a palindrome (2211000001122).

It can be divided in two parts, 11000000011 and 11, that multiplied together give a palindrome (121000000121).

The spelling of 1100000001111 in words is "one trillion, one hundred billion, one thousand, one hundred eleven".