10221122202212 has 12 divisors (see below), whose sum is σ = 17887138785516. Its totient is φ = 5110511120640.

The previous prime is 10221122202157. The next prime is 10221122202283. The reversal of 10221122202212 is 21220222112201.

10221122202212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7010918978596 + 3210203223616 = 2647814^2 + 1791704^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12033089 + ... + 12854472.

It is an arithmetic number, because the mean of its divisors is an integer number (1490594898793).

Almost surely, 2^{10221122202212} is an apocalyptic number.

It is an amenable number.

10221122202212 is a deficient number, since it is larger than the sum of its proper divisors (7666016583304).

10221122202212 is a wasteful number, since it uses less digits than its factorization.

10221122202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24990238 (or 24990236 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 10221122202212 its reverse (21220222112201), we get a palindrome (31441344314413).

The spelling of 10221122202212 in words is "ten trillion, two hundred twenty-one billion, one hundred twenty-two million, two hundred two thousand, two hundred twelve".