202220222010221 has 16 divisors (see below), whose sum is σ = 204842309145600. Its totient is φ = 199599701558400.

The previous prime is 202220222010193. The next prime is 202220222010277. The reversal of 202220222010221 is 122010222022202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202220222010221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202220222010193 and 202220222010202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202220222010281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6942215585 + ... + 6942244713.

It is an arithmetic number, because the mean of its divisors is an integer number (12802644321600).

Almost surely, 2^{202220222010221} is an apocalyptic number.

It is an amenable number.

202220222010221 is a deficient number, since it is larger than the sum of its proper divisors (2622087135379).

202220222010221 is a wasteful number, since it uses less digits than its factorization.

202220222010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52940.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 202220222010221 its reverse (122010222022202), we get a palindrome (324230444032423).

The spelling of 202220222010221 in words is "two hundred two trillion, two hundred twenty billion, two hundred twenty-two million, ten thousand, two hundred twenty-one".