20222121001122 has 64 divisors (see below), whose sum is σ = 46056143548800. Its totient is φ = 6573149948160.

The previous prime is 20222121001051. The next prime is 20222121001151. The reversal of 20222121001122 is 22110012122202.

It is a happy number.

20222121001122 is a `hidden beast` number, since 202 + 221 + 210 + 0 + 11 + 22 = 666.

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 = 20222121001095 and 20222121001104.

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 31 ways as a sum of consecutive naturals, for example, 2438893 + ... + 6811199.

It is an arithmetic number, because the mean of its divisors is an integer number (719627242950).

Almost surely, 2^{20222121001122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20222121001122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23028071774400).

20222121001122 is an abundant number, since it is smaller than the sum of its proper divisors (25834022547678).

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

20222121001122 is a wasteful number, since it uses less digits than its factorization.

20222121001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4374448 (or 4374442 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20222121001122 its reverse (22110012122202), we get a palindrome (42332133123324).

The spelling of 20222121001122 in words is "twenty trillion, two hundred twenty-two billion, one hundred twenty-one million, one thousand, one hundred twenty-two".