11011020211099 has 4 divisors (see below), whose sum is σ = 11011029209136. Its totient is φ = 11011011213064.

The previous prime is 11011020211069. The next prime is 11011020211133. The reversal of 11011020211099 is 99011202011011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11011020211099 - 2¹³ = 11011020202907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011020211069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2307664 + ... + 5229469.

It is an arithmetic number, because the mean of its divisors is an integer number (2752757302284).

Almost surely, 2^{11011020211099} is an apocalyptic number.

11011020211099 is a deficient number, since it is larger than the sum of its proper divisors (8998037).

11011020211099 is an equidigital number, since it uses as much as digits as its factorization.

11011020211099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8998036.

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 11011020211099 in words is "eleven trillion, eleven billion, twenty million, two hundred eleven thousand, ninety-nine".