20222112020121 has 24 divisors (see below), whose sum is σ = 31865436364320. Its totient is φ = 12255713870400.

The previous prime is 20222112020119. The next prime is 20222112020129. The reversal of 20222112020121 is 12102021122202.

It is a happy number.

20222112020121 is a `hidden beast` number, since 202 + 221 + 1 + 20 + 201 + 21 = 666.

It is not a de Polignac number, because 20222112020121 - 2¹ = 20222112020119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20222112020094 and 20222112020103.

It is not an unprimeable number, because it can be changed into a prime (20222112020129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10732326 + ... + 12475056.

It is an arithmetic number, because the mean of its divisors is an integer number (1327726515180).

Almost surely, 2^{20222112020121} is an apocalyptic number.

It is an amenable number.

20222112020121 is a deficient number, since it is larger than the sum of its proper divisors (11643324344199).

20222112020121 is a wasteful number, since it uses less digits than its factorization.

20222112020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859957 (or 1859954 counting only the distinct ones).

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

Adding to 20222112020121 its reverse (12102021122202), we get a palindrome (32324133142323).

The spelling of 20222112020121 in words is "twenty trillion, two hundred twenty-two billion, one hundred twelve million, twenty thousand, one hundred twenty-one".