221201202222202 has 16 divisors (see below), whose sum is σ = 331862089950432. Its totient is φ = 110580506391600.

The previous prime is 221201202222167. The next prime is 221201202222241. The reversal of 221201202222202 is 202222202102122.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 624920073 + ... + 625273939.

It is an arithmetic number, because the mean of its divisors is an integer number (20741380621902).

Almost surely, 2^{221201202222202} is an apocalyptic number.

221201202222202 is a deficient number, since it is larger than the sum of its proper divisors (110660887728230).

221201202222202 is a wasteful number, since it uses less digits than its factorization.

221201202222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409773.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 221201202222202 its reverse (202222202102122), we get a palindrome (423423404324324).

The spelling of 221201202222202 in words is "two hundred twenty-one trillion, two hundred one billion, two hundred two million, two hundred twenty-two thousand, two hundred two".