11009101 has 4 divisors (see below), whose sum is σ = 11118204. Its totient is φ = 10900000.

The previous prime is 11009087. The next prime is 11009137. The reversal of 11009101 is 10190011.

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 8122500 + 2886601 = 2850^2 + 1699^2 .

It is a cyclic number.

It is not a de Polignac number, because 11009101 - 2⁹ = 11008589 is a prime.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11009171) 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, 54400 + ... + 54601.

It is an arithmetic number, because the mean of its divisors is an integer number (2779551).

Almost surely, 2^11009101 is an apocalyptic number.

It is an amenable number.

11009101 is a deficient number, since it is larger than the sum of its proper divisors (109103).

11009101 is a wasteful number, since it uses less digits than its factorization.

11009101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109102.

The product of its (nonzero) digits is 9, while the sum is 13.

The square root of 11009101 is about 3317.9965340549. The cubic root of 11009101 is about 222.4593268245.

Adding to 11009101 its reverse (10190011), we get a palindrome (21199112).

It can be divided in two parts, 1100 and 9101, that added together give a palindrome (10201).

The spelling of 11009101 in words is "eleven million, nine thousand, one hundred one".