2022120211221 has 24 divisors (see below), whose sum is σ = 3240377543520. Its totient is φ = 1204755746400.

The previous prime is 2022120211171. The next prime is 2022120211229. The reversal of 2022120211221 is 1221120212202.

It is a happy number.

2022120211221 is a `hidden beast` number, since 20 + 2 + 212 + 0 + 211 + 221 = 666.

It is not a de Polignac number, because 2022120211221 - 2⁶ = 2022120211157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2022120211194 and 2022120211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022120211229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173091250 + ... + 173102931.

It is an arithmetic number, because the mean of its divisors is an integer number (135015730980).

Almost surely, 2^{2022120211221} is an apocalyptic number.

It is an amenable number.

2022120211221 is a deficient number, since it is larger than the sum of its proper divisors (1218257332299).

2022120211221 is a wasteful number, since it uses less digits than its factorization.

2022120211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346194257 (or 346194254 counting only the distinct ones).

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

Adding to 2022120211221 its reverse (1221120212202), we get a palindrome (3243240423423).

The spelling of 2022120211221 in words is "two trillion, twenty-two billion, one hundred twenty million, two hundred eleven thousand, two hundred twenty-one".