22103112305 has 8 divisors (see below), whose sum is σ = 26524535400. Its totient is φ = 17681956096.

The previous prime is 22103112299. The next prime is 22103112331. The reversal of 22103112305 is 50321130122.

It can be written as a sum of positive squares in 4 ways, for example, as 487349776 + 21615762529 = 22076^2 + 147023^2 .

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 22103112305 - 2⁸ = 22103112049 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269711 + ... + 341979.

It is an arithmetic number, because the mean of its divisors is an integer number (3315566925).

Almost surely, 2^22103112305 is an apocalyptic number.

It is an amenable number.

22103112305 is a deficient number, since it is larger than the sum of its proper divisors (4421423095).

22103112305 is an equidigital number, since it uses as much as digits as its factorization.

22103112305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133443.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 22103112305 its reverse (50321130122), we get a palindrome (72424242427).

The spelling of 22103112305 in words is "twenty-two billion, one hundred three million, one hundred twelve thousand, three hundred five".