101101111110091 has 4 divisors (see below), whose sum is σ = 101155437340384. Its totient is φ = 101046784879800.

The previous prime is 101101111110089. The next prime is 101101111110119. The reversal of 101101111110091 is 190011111101101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101101111110091 - 2¹ = 101101111110089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101101111110491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27163112355 + ... + 27163116076.

It is an arithmetic number, because the mean of its divisors is an integer number (25288859335096).

Almost surely, 2^{101101111110091} is an apocalyptic number.

101101111110091 is a deficient number, since it is larger than the sum of its proper divisors (54326230293).

101101111110091 is an equidigital number, since it uses as much as digits as its factorization.

101101111110091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54326230292.

The product of its (nonzero) digits is 9, while the sum is 19.

Adding to 101101111110091 its reverse (190011111101101), we get a palindrome (291112222211192).

The spelling of 101101111110091 in words is "one hundred one trillion, one hundred one billion, one hundred eleven million, one hundred ten thousand, ninety-one".