2022121102221 has 12 divisors (see below), whose sum is σ = 3186372646080. Its totient is φ = 1225527940680.

The previous prime is 2022121102219. The next prime is 2022121102249. The reversal of 2022121102221 is 1222011212202.

It is a happy number.

It is not a de Polignac number, because 2022121102221 - 2¹ = 2022121102219 is a prime.

It is a super-2 number, since 2×2022121102221² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2022121102194 and 2022121102203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022121102291) 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, 10212732741 + ... + 10212732938.

It is an arithmetic number, because the mean of its divisors is an integer number (265531053840).

Almost surely, 2^{2022121102221} is an apocalyptic number.

It is an amenable number.

2022121102221 is a deficient number, since it is larger than the sum of its proper divisors (1164251543859).

2022121102221 is a wasteful number, since it uses less digits than its factorization.

2022121102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20425465696 (or 20425465693 counting only the distinct ones).

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

Adding to 2022121102221 its reverse (1222011212202), we get a palindrome (3244132314423).

The spelling of 2022121102221 in words is "two trillion, twenty-two billion, one hundred twenty-one million, one hundred two thousand, two hundred twenty-one".