22120322123 has 6 divisors (see below), whose sum is σ = 23498058756. Its totient is φ = 20819126432.

The previous prime is 22120322113. The next prime is 22120322153. The reversal of 22120322123 is 32122302122.

It is a happy number.

It is not a de Polignac number, because 22120322123 - 2³⁴ = 4940452939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22120322095 and 22120322104.

It is not an unprimeable number, because it can be changed into a prime (22120322113) 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 5 ways as a sum of consecutive naturals, for example, 38270165 + ... + 38270742.

It is an arithmetic number, because the mean of its divisors is an integer number (3916343126).

Almost surely, 2^22120322123 is an apocalyptic number.

22120322123 is a deficient number, since it is larger than the sum of its proper divisors (1377736633).

22120322123 is an equidigital number, since it uses as much as digits as its factorization.

22120322123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76540941 (or 76540924 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22120322123 its reverse (32122302122), we get a palindrome (54242624245).

The spelling of 22120322123 in words is "twenty-two billion, one hundred twenty million, three hundred twenty-two thousand, one hundred twenty-three".