11109101101 has 6 divisors (see below), whose sum is σ = 12922831950. Its totient is φ = 9522086616.

The previous prime is 11109101083. The next prime is 11109101147. The reversal of 11109101101 is 10110190111.

It can be written as a sum of positive squares in only one way, i.e., 10394822025 + 714279076 = 101955^2 + 26726^2 .

It is not a de Polignac number, because 11109101101 - 2⁹ = 11109100589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11109101501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113358126 + ... + 113358223.

It is an arithmetic number, because the mean of its divisors is an integer number (2153805325).

Almost surely, 2^11109101101 is an apocalyptic number.

It is an amenable number.

11109101101 is a deficient number, since it is larger than the sum of its proper divisors (1813730849).

11109101101 is an equidigital number, since it uses as much as digits as its factorization.

11109101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226716363 (or 226716356 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 16.

Adding to 11109101101 its reverse (10110190111), we get a palindrome (21219291212).

The spelling of 11109101101 in words is "eleven billion, one hundred nine million, one hundred one thousand, one hundred one".