11010101101111 has 12 divisors (see below), whose sum is σ = 13249312375320. Its totient is φ = 9111807806640.

The previous prime is 11010101101093. The next prime is 11010101101117. The reversal of 11010101101111 is 11110110101011.

It is a happy number.

It is not a de Polignac number, because 11010101101111 - 2²⁵ = 11010067546679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010101101117) 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, 3874066525 + ... + 3874069366.

It is an arithmetic number, because the mean of its divisors is an integer number (1104109364610).

Almost surely, 2^{11010101101111} is an apocalyptic number.

11010101101111 is a deficient number, since it is larger than the sum of its proper divisors (2239211274209).

11010101101111 is an equidigital number, since it uses as much as digits as its factorization.

11010101101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7748135934 (or 7748135927 counting only the distinct ones).

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

Adding to 11010101101111 its reverse (11110110101011), we get a palindrome (22120211202122).

The spelling of 11010101101111 in words is "eleven trillion, ten billion, one hundred one million, one hundred one thousand, one hundred eleven".