11100121200011 has 4 divisors (see below), whose sum is σ = 11753069505912. Its totient is φ = 10447172894112.

The previous prime is 11100121200001. The next prime is 11100121200101. The reversal of 11100121200011 is 11000212100111.

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 11100121200011 - 2³⁴ = 11082941330827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100121199965 and 11100121200001.

It is not an unprimeable number, because it can be changed into a prime (11100121200001) 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, 326474152925 + ... + 326474152958.

It is an arithmetic number, because the mean of its divisors is an integer number (2938267376478).

Almost surely, 2^{11100121200011} is an apocalyptic number.

11100121200011 is a deficient number, since it is larger than the sum of its proper divisors (652948305901).

11100121200011 is an equidigital number, since it uses as much as digits as its factorization.

11100121200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652948305900.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11100121200011 its reverse (11000212100111), we get a palindrome (22100333300122).

The spelling of 11100121200011 in words is "eleven trillion, one hundred billion, one hundred twenty-one million, two hundred thousand, eleven".