22022011111 has 4 divisors (see below), whose sum is σ = 22350697912. Its totient is φ = 21693324312.

The previous prime is 22022011087. The next prime is 22022011133. The reversal of 22022011111 is 11111022022.

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 22022011111 - 2²¹ = 22019913959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22022011091 and 22022011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022014111) 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, 164343300 + ... + 164343433.

It is an arithmetic number, because the mean of its divisors is an integer number (5587674478).

Almost surely, 2^22022011111 is an apocalyptic number.

22022011111 is a deficient number, since it is larger than the sum of its proper divisors (328686801).

22022011111 is an equidigital number, since it uses as much as digits as its factorization.

22022011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328686800.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22022011111 its reverse (11111022022), we get a palindrome (33133033133).

The spelling of 22022011111 in words is "twenty-two billion, twenty-two million, eleven thousand, one hundred eleven".