11101001099 has 4 divisors (see below), whose sum is σ = 11289153720. Its totient is φ = 10912848480.

The previous prime is 11101001077. The next prime is 11101001137. The reversal of 11101001099 is 99010010111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99010010111 = 5051 ⋅19602061.

It is a cyclic number.

It is not a de Polignac number, because 11101001099 - 2⁸ = 11101000843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101001029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94076222 + ... + 94076339.

It is an arithmetic number, because the mean of its divisors is an integer number (2822288430).

Almost surely, 2^11101001099 is an apocalyptic number.

11101001099 is a deficient number, since it is larger than the sum of its proper divisors (188152621).

11101001099 is an equidigital number, since it uses as much as digits as its factorization.

11101001099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188152620.

The product of its (nonzero) digits is 81, while the sum is 23.

The spelling of 11101001099 in words is "eleven billion, one hundred one million, one thousand, ninety-nine".