111101110101011 has 8 divisors (see below), whose sum is σ = 113152061200560. Its totient is φ = 109055755049472.

The previous prime is 111101110100977. The next prime is 111101110101073. The reversal of 111101110101011 is 110101011101111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111101110101011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111101110100983 and 111101110101001.

It is not an unprimeable number, because it can be changed into a prime (111101110101511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1398971930 + ... + 1399051343.

It is an arithmetic number, because the mean of its divisors is an integer number (14144007650070).

Almost surely, 2^{111101110101011} is an apocalyptic number.

111101110101011 is a deficient number, since it is larger than the sum of its proper divisors (2050951099549).

111101110101011 is an equidigital number, since it uses as much as digits as its factorization.

111101110101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798024005.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 111101110101011 its reverse (110101011101111), we get a palindrome (221202121202122).

The spelling of 111101110101011 in words is "one hundred eleven trillion, one hundred one billion, one hundred ten million, one hundred one thousand, eleven".