111101110001101 has 16 divisors (see below), whose sum is σ = 122340281353920. Its totient is φ = 100054963716480.

The previous prime is 111101110001039. The next prime is 111101110001107. The reversal of 111101110001101 is 101100011101111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111101110001101 - 2¹³ = 111101109992909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101110001107) 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, 78800806 + ... + 80198311.

It is an arithmetic number, because the mean of its divisors is an integer number (7646267584620).

Almost surely, 2^{111101110001101} is an apocalyptic number.

111101110001101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111101110001101 is a deficient number, since it is larger than the sum of its proper divisors (11239171352819).

111101110001101 is a wasteful number, since it uses less digits than its factorization.

111101110001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158999724.

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 111101110001101 its reverse (101100011101111), we get a palindrome (212201121102212).

The spelling of 111101110001101 in words is "one hundred eleven trillion, one hundred one billion, one hundred ten million, one thousand, one hundred one".