22321120122 has 192 divisors, whose sum is σ = 59958662400. Its totient is φ = 5856675840.

The previous prime is 22321120117. The next prime is 22321120163. The reversal of 22321120122 is 22102112322.

It is a super-3 number, since 3×22321120122³ (a number of 32 digits) contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 22321120095 and 22321120104.

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 95 ways as a sum of consecutive naturals, for example, 18161404 + ... + 18162632.

It is an arithmetic number, because the mean of its divisors is an integer number (312284700).

Almost surely, 2^22321120122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22321120122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29979331200).

22321120122 is an abundant number, since it is smaller than the sum of its proper divisors (37637542278).

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

22321120122 is a wasteful number, since it uses less digits than its factorization.

22321120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461 (or 1458 counting only the distinct ones).

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

Adding to 22321120122 its reverse (22102112322), we get a palindrome (44423232444).

The spelling of 22321120122 in words is "twenty-two billion, three hundred twenty-one million, one hundred twenty thousand, one hundred twenty-two".