22123420110 has 128 divisors (see below), whose sum is σ = 64430277120. Its totient is φ = 5357318400.

The previous prime is 22123420097. The next prime is 22123420129. The reversal of 22123420110 is 1102432122.

It is a happy number.

22123420110 is a `hidden beast` number, since 2 + 212 + 342 + 0 + 110 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 3064405 + ... + 3071615.

It is an arithmetic number, because the mean of its divisors is an integer number (503361540).

Almost surely, 2^22123420110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22123420110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32215138560).

22123420110 is an abundant number, since it is smaller than the sum of its proper divisors (42306857010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22123420110 is a wasteful number, since it uses less digits than its factorization.

22123420110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8271 (or 8265 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22123420110 its reverse (1102432122), we get a palindrome (23225852232).

The spelling of 22123420110 in words is "twenty-two billion, one hundred twenty-three million, four hundred twenty thousand, one hundred ten".