11121122202011 has 4 divisors (see below), whose sum is σ = 11145457261992. Its totient is φ = 11096787142032.

The previous prime is 11121122201999. The next prime is 11121122202037. The reversal of 11121122202011 is 11020222112111.

11121122202011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11121122202011 - 2⁶ = 11121122201947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121122202811) 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, 12167529305 + ... + 12167530218.

It is an arithmetic number, because the mean of its divisors is an integer number (2786364315498).

Almost surely, 2^{11121122202011} is an apocalyptic number.

11121122202011 is a deficient number, since it is larger than the sum of its proper divisors (24335059981).

11121122202011 is an equidigital number, since it uses as much as digits as its factorization.

11121122202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24335059980.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11121122202011 its reverse (11020222112111), we get a palindrome (22141344314122).

The spelling of 11121122202011 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred two thousand, eleven".