2022203211221 has 4 divisors (see below), whose sum is σ = 2128634959200. Its totient is φ = 1915771463244.

The previous prime is 2022203211209. The next prime is 2022203211239. The reversal of 2022203211221 is 1221123022202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2022203211221 - 2²² = 2022199016917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022203211193 and 2022203211202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022203214221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53215873961 + ... + 53215873998.

It is an arithmetic number, because the mean of its divisors is an integer number (532158739800).

Almost surely, 2^{2022203211221} is an apocalyptic number.

It is an amenable number.

2022203211221 is a deficient number, since it is larger than the sum of its proper divisors (106431747979).

2022203211221 is a wasteful number, since it uses less digits than its factorization.

2022203211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106431747978.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2022203211221 its reverse (1221123022202), we get a palindrome (3243326233423).

The spelling of 2022203211221 in words is "two trillion, twenty-two billion, two hundred three million, two hundred eleven thousand, two hundred twenty-one".