22222220220011 has 16 divisors (see below), whose sum is σ = 25413490662336. Its totient is φ = 19035120047616.

The previous prime is 22222220220007. The next prime is 22222220220023. The reversal of 22222220220011 is 11002202222222.

It is a cyclic number.

It is not a de Polignac number, because 22222220220011 - 2² = 22222220220007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22221220220011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80895785 + ... + 81170021.

It is an arithmetic number, because the mean of its divisors is an integer number (1588343166396).

Almost surely, 2^{22222220220011} is an apocalyptic number.

22222220220011 is a deficient number, since it is larger than the sum of its proper divisors (3191270442325).

22222220220011 is a wasteful number, since it uses less digits than its factorization.

22222220220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281798.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22222220220011 its reverse (11002202222222), we get a palindrome (33224422442233).

The spelling of 22222220220011 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty million, two hundred twenty thousand, eleven".