10221211202212 has 24 divisors (see below), whose sum is σ = 18007370301312. Its totient is φ = 5076255000000.

The previous prime is 10221211202179. The next prime is 10221211202287. The reversal of 10221211202212 is 21220211212201.

It is a self number, because there is not a number n which added to its sum of digits gives 10221211202212.

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, 5264712 + ... + 6939712.

It is an arithmetic number, because the mean of its divisors is an integer number (750307095888).

Almost surely, 2^{10221211202212} is an apocalyptic number.

It is an amenable number.

10221211202212 is a deficient number, since it is larger than the sum of its proper divisors (7786159099100).

10221211202212 is a wasteful number, since it uses less digits than its factorization.

10221211202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685259 (or 1685257 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10221211202212 its reverse (21220211212201), we get a palindrome (31441422414413).

The spelling of 10221211202212 in words is "ten trillion, two hundred twenty-one billion, two hundred eleven million, two hundred two thousand, two hundred twelve".