110111111111111 has 8 divisors (see below), whose sum is σ = 120128124985104. Its totient is φ = 100095249381120.

The previous prime is 110111111111107. The next prime is 110111111111137. The reversal of 110111111111111 is 111111111111011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110111111111111 - 2² = 110111111111107 is a prime.

It is a Duffinian number.

110111111111111 is a modest number, since divided by 11111111 gives 1101111 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110111111110111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287836160 + ... + 288218453.

It is an arithmetic number, because the mean of its divisors is an integer number (15016015623138).

Almost surely, 2^{110111111111111} is an apocalyptic number.

110111111111111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

110111111111111 is a deficient number, since it is larger than the sum of its proper divisors (10017013873993).

110111111111111 is a wasteful number, since it uses less digits than its factorization.

110111111111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576072001.

The product of its (nonzero) digits is 1, while the sum is 14.

Adding to 110111111111111 its reverse (111111111111011), we get a palindrome (221222222222122).

It can be divided in two parts, 11011 and 1111111111, that multiplied together give a palindrome (12234444443221).

The spelling of 110111111111111 in words is "one hundred ten trillion, one hundred eleven billion, one hundred eleven million, one hundred eleven thousand, one hundred eleven".