11099118021 has 8 divisors (see below), whose sum is σ = 14799378144. Its totient is φ = 7399134960.

The previous prime is 11099118001. The next prime is 11099118047. The reversal of 11099118021 is 12081199011.

11099118021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11099118021 - 2¹⁷ = 11098986949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11099118001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57195 + ... + 159591.

It is an arithmetic number, because the mean of its divisors is an integer number (1849922268).

Almost surely, 2^11099118021 is an apocalyptic number.

It is an amenable number.

11099118021 is a deficient number, since it is larger than the sum of its proper divisors (3700260123).

11099118021 is a wasteful number, since it uses less digits than its factorization.

11099118021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138531.

The product of its (nonzero) digits is 1296, while the sum is 33.

The spelling of 11099118021 in words is "eleven billion, ninety-nine million, one hundred eighteen thousand, twenty-one".