212221102202202 has 16 divisors (see below), whose sum is σ = 442896213291840. Its totient is φ = 67664699252832.

The previous prime is 212221102202189. The next prime is 212221102202231. The reversal of 212221102202202 is 202202201122212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768917036827 + ... + 768917037102.

It is an arithmetic number, because the mean of its divisors is an integer number (27681013330740).

Almost surely, 2^{212221102202202} is an apocalyptic number.

212221102202202 is an abundant number, since it is smaller than the sum of its proper divisors (230675111089638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212221102202202 is a wasteful number, since it uses less digits than its factorization.

212221102202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537834073957.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212221102202202 its reverse (202202201122212), we get a palindrome (414423303324414).

The spelling of 212221102202202 in words is "two hundred twelve trillion, two hundred twenty-one billion, one hundred two million, two hundred two thousand, two hundred two".