111101110110001 has 16 divisors (see below), whose sum is σ = 121511877746688. Its totient is φ = 100742233915600.

The previous prime is 111101110109999. The next prime is 111101110110017. The reversal of 111101110110001 is 100011011101111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111101110110001 - 2¹ = 111101110109999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111101110110001.

It is not an unprimeable number, because it can be changed into a prime (111101110110031) 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, 16726986 + ... + 22405228.

It is an arithmetic number, because the mean of its divisors is an integer number (7594492359168).

Almost surely, 2^{111101110110001} is an apocalyptic number.

111101110110001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111101110110001 is a deficient number, since it is larger than the sum of its proper divisors (10410767636687).

111101110110001 is a wasteful number, since it uses less digits than its factorization.

111101110110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5682812.

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

Adding to 111101110110001 its reverse (100011011101111), we get a palindrome (211112121211112).

The spelling of 111101110110001 in words is "one hundred eleven trillion, one hundred one billion, one hundred ten million, one hundred ten thousand, one".