11010101001101 has 4 divisors (see below), whose sum is σ = 11119111902204. Its totient is φ = 10901090100000.

The previous prime is 11010101001049. The next prime is 11010101001209. The reversal of 11010101001101 is 10110010101011.

11010101001101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10870875004201 + 139225996900 = 3297101^2 + 373130^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010101001101 - 2³⁴ = 10992921131917 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 (11010101001301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54505450400 + ... + 54505450601.

It is an arithmetic number, because the mean of its divisors is an integer number (2779777975551).

Almost surely, 2^{11010101001101} is an apocalyptic number.

It is an amenable number.

11010101001101 is a deficient number, since it is larger than the sum of its proper divisors (109010901103).

11010101001101 is a wasteful number, since it uses less digits than its factorization.

11010101001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109010901102.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 11010101001101 its reverse (10110010101011), we get a palindrome (21120111102112).

The spelling of 11010101001101 in words is "eleven trillion, ten billion, one hundred one million, one thousand, one hundred one".