2022210011221 has 4 divisors (see below), whose sum is σ = 2022212993472. Its totient is φ = 2022207028972.

The previous prime is 2022210011209. The next prime is 2022210011231. The reversal of 2022210011221 is 1221100122202.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2022210011221 - 2²³ = 2022201622613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022210011195 and 2022210011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022210011231) 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, 72660 + ... + 2012386.

It is an arithmetic number, because the mean of its divisors is an integer number (505553248368).

Almost surely, 2^{2022210011221} is an apocalyptic number.

It is an amenable number.

2022210011221 is a deficient number, since it is larger than the sum of its proper divisors (2982251).

2022210011221 is a wasteful number, since it uses less digits than its factorization.

2022210011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982250.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2022210011221 its reverse (1221100122202), we get a palindrome (3243310133423).

The spelling of 2022210011221 in words is "two trillion, twenty-two billion, two hundred ten million, eleven thousand, two hundred twenty-one".