11220120200011 has 4 divisors (see below), whose sum is σ = 11220418811800. Its totient is φ = 11219821588224.

The previous prime is 11220120199991. The next prime is 11220120200059. The reversal of 11220120200011 is 11000202102211.

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 11220120200011 - 2¹⁷ = 11220120068939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11220120199964 and 11220120200000.

It is not an unprimeable number, because it can be changed into a prime (11220120204011) 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, 149249526 + ... + 149324683.

It is an arithmetic number, because the mean of its divisors is an integer number (2805104702950).

Almost surely, 2^{11220120200011} is an apocalyptic number.

11220120200011 is a deficient number, since it is larger than the sum of its proper divisors (298611789).

11220120200011 is an equidigital number, since it uses as much as digits as its factorization.

11220120200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298611788.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11220120200011 its reverse (11000202102211), we get a palindrome (22220322302222).

The spelling of 11220120200011 in words is "eleven trillion, two hundred twenty billion, one hundred twenty million, two hundred thousand, eleven".