22120122120 has 64 divisors (see below), whose sum is σ = 69245608320. Its totient is φ = 5642233344.

The previous prime is 22120122113. The next prime is 22120122121. The reversal of 22120122120 is 2122102122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22120122120.

It is not an unprimeable number, because it can be changed into a prime (22120122121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4004509 + ... + 4010028.

It is an arithmetic number, because the mean of its divisors is an integer number (1081962630).

Almost surely, 2^22120122120 is an apocalyptic number.

22120122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120122120 is an abundant number, since it is smaller than the sum of its proper divisors (47125486200).

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

22120122120 is a wasteful number, since it uses less digits than its factorization.

22120122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8014574 (or 8014570 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22120122120 its reverse (2122102122), we get a palindrome (24242224242).

The spelling of 22120122120 in words is "twenty-two billion, one hundred twenty million, one hundred twenty-two thousand, one hundred twenty".