222202010020221 has 96 divisors (see below), whose sum is σ = 413552044550400. Its totient is φ = 115422241334400.

The previous prime is 222202010020213. The next prime is 222202010020303. The reversal of 222202010020221 is 122020010202222.

222202010020221 is a `hidden beast` number, since 2 + 2 + 220 + 201 + 0 + 0 + 20 + 221 = 666.

It is not a de Polignac number, because 222202010020221 - 2³ = 222202010020213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222202010020194 and 222202010020203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202010020201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 367179631 + ... + 367784291.

It is an arithmetic number, because the mean of its divisors is an integer number (4307833797400).

Almost surely, 2^{222202010020221} is an apocalyptic number.

222202010020221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222202010020221 is a deficient number, since it is larger than the sum of its proper divisors (191350034530179).

222202010020221 is a wasteful number, since it uses less digits than its factorization.

222202010020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620768 (or 620751 counting only the distinct ones).

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

Adding to 222202010020221 its reverse (122020010202222), we get a palindrome (344222020222443).

The spelling of 222202010020221 in words is "two hundred twenty-two trillion, two hundred two billion, ten million, twenty thousand, two hundred twenty-one".