2022201120221 has 4 divisors (see below), whose sum is σ = 2022258008700. Its totient is φ = 2022144231744.

The previous prime is 2022201120209. The next prime is 2022201120239. The reversal of 2022201120221 is 1220211022202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1859784060121 + 162417060100 = 1363739^2 + 403010^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022201120221 - 2¹⁴ = 2022201103837 is a prime.

It is a super-5 number, since 5×2022201120221⁵ (a number of 63 digits) contains 55555 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2022201120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022201120721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28390886 + ... + 28462023.

It is an arithmetic number, because the mean of its divisors is an integer number (505564502175).

Almost surely, 2^{2022201120221} is an apocalyptic number.

It is an amenable number.

2022201120221 is a deficient number, since it is larger than the sum of its proper divisors (56888479).

2022201120221 is an equidigital number, since it uses as much as digits as its factorization.

2022201120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56888478.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2022201120221 its reverse (1220211022202), we get a palindrome (3242412142423).

The spelling of 2022201120221 in words is "two trillion, twenty-two billion, two hundred one million, one hundred twenty thousand, two hundred twenty-one".