111010101111011 has 8 divisors (see below), whose sum is σ = 114593440612224. Its totient is φ = 107426909640960.

The previous prime is 111010101110933. The next prime is 111010101111029. The reversal of 111010101111011 is 110111101010111.

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-111010101111011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111010101110983 and 111010101111001.

It is not an unprimeable number, because it can be changed into a prime (111010101111031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35482766 + ... + 38484371.

It is an arithmetic number, because the mean of its divisors is an integer number (14324180076528).

Almost surely, 2^{111010101111011} is an apocalyptic number.

111010101111011 is a deficient number, since it is larger than the sum of its proper divisors (3583339501213).

111010101111011 is an equidigital number, since it uses as much as digits as its factorization.

111010101111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74015581.

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

Adding to 111010101111011 its reverse (110111101010111), we get a palindrome (221121202121122).

The spelling of 111010101111011 in words is "one hundred eleven trillion, ten billion, one hundred one million, one hundred eleven thousand, eleven".