22221020011 has 8 divisors (see below), whose sum is σ = 23429478800. Its totient is φ = 21016454400.

The previous prime is 22221019993. The next prime is 22221020027. The reversal of 22221020011 is 11002012222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22221020011 - 2²⁵ = 22187465579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22221019973 and 22221020000.

It is not an unprimeable number, because it can be changed into a prime (22221020051) 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, 961566 + ... + 984403.

It is an arithmetic number, because the mean of its divisors is an integer number (2928684850).

Almost surely, 2^22221020011 is an apocalyptic number.

22221020011 is a deficient number, since it is larger than the sum of its proper divisors (1208458789).

22221020011 is a wasteful number, since it uses less digits than its factorization.

22221020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946589.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22221020011 its reverse (11002012222), we get a palindrome (33223032233).

The spelling of 22221020011 in words is "twenty-two billion, two hundred twenty-one million, twenty thousand, eleven".