11221000221011 has 8 divisors (see below), whose sum is σ = 12824020760160. Its totient is φ = 9617984808768.

The previous prime is 11221000220921. The next prime is 11221000221089. The reversal of 11221000221011 is 11012200012211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11221000221011 - 2¹⁰ = 11221000219987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221000223011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6834695 + ... + 8315951.

It is an arithmetic number, because the mean of its divisors is an integer number (1603002595020).

Almost surely, 2^{11221000221011} is an apocalyptic number.

11221000221011 is a deficient number, since it is larger than the sum of its proper divisors (1603020539149).

11221000221011 is a wasteful number, since it uses less digits than its factorization.

11221000221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563453.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11221000221011 its reverse (11012200012211), we get a palindrome (22233200233222).

The spelling of 11221000221011 in words is "eleven trillion, two hundred twenty-one billion, two hundred twenty-one thousand, eleven".