22421311111 has 8 divisors (see below), whose sum is σ = 23207073120. Its totient is φ = 21636390048.

The previous prime is 22421311103. The next prime is 22421311123. The reversal of 22421311111 is 11111312422.

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 22421311111 - 2³ = 22421311103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22421311141) 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, 155736 + ... + 262861.

It is an arithmetic number, because the mean of its divisors is an integer number (2900884140).

Almost surely, 2^22421311111 is an apocalyptic number.

22421311111 is a deficient number, since it is larger than the sum of its proper divisors (785762009).

22421311111 is a wasteful number, since it uses less digits than its factorization.

22421311111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420473.

The product of its digits is 96, while the sum is 19.

Adding to 22421311111 its reverse (11111312422), we get a palindrome (33532623533).

The spelling of 22421311111 in words is "twenty-two billion, four hundred twenty-one million, three hundred eleven thousand, one hundred eleven".