202010222020221 has 64 divisors (see below), whose sum is σ = 307186373652480. Its totient is φ = 131165241480000.

The previous prime is 202010222020193. The next prime is 202010222020309. The reversal of 202010222020221 is 122020222010202.

202010222020221 is a `hidden beast` number, since 2 + 0 + 201 + 0 + 2 + 220 + 20 + 221 = 666.

It is not a de Polignac number, because 202010222020221 - 2⁷ = 202010222020093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202010222020194 and 202010222020203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202010222022221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84594736 + ... + 86949926.

It is an arithmetic number, because the mean of its divisors is an integer number (4799787088320).

Almost surely, 2^{202010222020221} is an apocalyptic number.

It is an amenable number.

202010222020221 is a deficient number, since it is larger than the sum of its proper divisors (105176151632259).

202010222020221 is a wasteful number, since it uses less digits than its factorization.

202010222020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355815 (or 2355809 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 202010222020221 its reverse (122020222010202), we get a palindrome (324030444030423).

The spelling of 202010222020221 in words is "two hundred two trillion, ten billion, two hundred twenty-two million, twenty thousand, two hundred twenty-one".