11000221020011 has 4 divisors (see below), whose sum is σ = 11004734859552. Its totient is φ = 10995707180472.

The previous prime is 11000221019999. The next prime is 11000221020031. The reversal of 11000221020011 is 11002012200011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11000221020011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11000221019974 and 11000221020001.

It is not an unprimeable number, because it can be changed into a prime (11000221020031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2256916115 + ... + 2256920988.

It is an arithmetic number, because the mean of its divisors is an integer number (2751183714888).

Almost surely, 2^{11000221020011} is an apocalyptic number.

11000221020011 is a deficient number, since it is larger than the sum of its proper divisors (4513839541).

11000221020011 is an equidigital number, since it uses as much as digits as its factorization.

11000221020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513839540.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11000221020011 its reverse (11002012200011), we get a palindrome (22002233220022).

The spelling of 11000221020011 in words is "eleven trillion, two hundred twenty-one million, twenty thousand, eleven".