22022122212120 has 512 divisors, whose sum is σ = 72117784166400. Its totient is φ = 5365863782400.

The previous prime is 22022122212119. The next prime is 22022122212127. The reversal of 22022122212120 is 2121222122022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022122212127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 824445565 + ... + 824472275.

It is an arithmetic number, because the mean of its divisors is an integer number (140855047200).

Almost surely, 2^{22022122212120} is an apocalyptic number.

22022122212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22022122212120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36058892083200).

22022122212120 is an abundant number, since it is smaller than the sum of its proper divisors (50095661954280).

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

22022122212120 is a wasteful number, since it uses less digits than its factorization.

22022122212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26951 (or 26947 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22022122212120 its reverse (2121222122022), we get a palindrome (24143344334142).

The spelling of 22022122212120 in words is "twenty-two trillion, twenty-two billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twenty".