202202010020221 has 8 divisors (see below), whose sum is σ = 206448812458560. Its totient is φ = 197991350581728.

The previous prime is 202202010020209. The next prime is 202202010020327. The reversal of 202202010020221 is 122020010202202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202202010020221 - 2⁷ = 202202010020093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202202010020195 and 202202010020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202202010020821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9035738656 + ... + 9035761033.

It is an arithmetic number, because the mean of its divisors is an integer number (25806101557320).

Almost surely, 2^{202202010020221} is an apocalyptic number.

It is an amenable number.

202202010020221 is a deficient number, since it is larger than the sum of its proper divisors (4246802438339).

202202010020221 is a wasteful number, since it uses less digits than its factorization.

202202010020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18071499923.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202202010020221 its reverse (122020010202202), we get a palindrome (324222020222423).

The spelling of 202202010020221 in words is "two hundred two trillion, two hundred two billion, ten million, twenty thousand, two hundred twenty-one".