111101110110101 has 12 divisors (see below), whose sum is σ = 112616815674528. Its totient is φ = 109604119458744.

The previous prime is 111101110110073. The next prime is 111101110110113. The reversal of 111101110110101 is 101011011101111.

It is not a de Polignac number, because 111101110110101 - 2³⁸ = 110826232203157 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 (111101110115101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17119235 + ... + 22699568.

It is an arithmetic number, because the mean of its divisors is an integer number (9384734639544).

Almost surely, 2^{111101110110101} is an apocalyptic number.

It is an amenable number.

111101110110101 is a deficient number, since it is larger than the sum of its proper divisors (1515705564427).

111101110110101 is an equidigital number, since it uses as much as digits as its factorization.

111101110110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39819272 (or 39819169 counting only the distinct ones).

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

Adding to 111101110110101 its reverse (101011011101111), we get a palindrome (212112121211212).

The spelling of 111101110110101 in words is "one hundred eleven trillion, one hundred one billion, one hundred ten million, one hundred ten thousand, one hundred one".