11012220221011 has 4 divisors (see below), whose sum is σ = 11391951952800. Its totient is φ = 10632488489224.

The previous prime is 11012220220957. The next prime is 11012220221027. The reversal of 11012220221011 is 11012202221011.

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 11012220221011 - 2¹⁵ = 11012220188243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11012220225011) 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, 189865865851 + ... + 189865865908.

It is an arithmetic number, because the mean of its divisors is an integer number (2847987988200).

Almost surely, 2^{11012220221011} is an apocalyptic number.

11012220221011 is a deficient number, since it is larger than the sum of its proper divisors (379731731789).

11012220221011 is an equidigital number, since it uses as much as digits as its factorization.

11012220221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379731731788.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11012220221011 its reverse (11012202221011), we get a palindrome (22024422442022).

The spelling of 11012220221011 in words is "eleven trillion, twelve billion, two hundred twenty million, two hundred twenty-one thousand, eleven".