2022122101221 has 12 divisors (see below), whose sum is σ = 3047836210848. Its totient is φ = 1289469165864.

The previous prime is 2022122101213. The next prime is 2022122101253. The reversal of 2022122101221 is 1221012212202.

It is a happy number.

2022122101221 is a `hidden beast` number, since 2 + 0 + 221 + 221 + 0 + 1 + 221 = 666.

It is not a de Polignac number, because 2022122101221 - 2³ = 2022122101213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2022122101194 and 2022122101203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022122101201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4884352695 + ... + 4884353108.

It is an arithmetic number, because the mean of its divisors is an integer number (253986350904).

Almost surely, 2^{2022122101221} is an apocalyptic number.

It is an amenable number.

2022122101221 is a deficient number, since it is larger than the sum of its proper divisors (1025714109627).

2022122101221 is a wasteful number, since it uses less digits than its factorization.

2022122101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9768705832 (or 9768705829 counting only the distinct ones).

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

Adding to 2022122101221 its reverse (1221012212202), we get a palindrome (3243134313423).

The spelling of 2022122101221 in words is "two trillion, twenty-two billion, one hundred twenty-two million, one hundred one thousand, two hundred twenty-one".