10221221100212 has 48 divisors (see below), whose sum is σ = 18353307004032. Its totient is φ = 4978085091840.

The previous prime is 10221221100191. The next prime is 10221221100287. The reversal of 10221221100212 is 21200112212201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124013288 + ... + 124095680.

It is an arithmetic number, because the mean of its divisors is an integer number (382360562584).

Almost surely, 2^{10221221100212} is an apocalyptic number.

It is an amenable number.

10221221100212 is a deficient number, since it is larger than the sum of its proper divisors (8132085903820).

10221221100212 is a wasteful number, since it uses less digits than its factorization.

10221221100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84408 (or 84406 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10221221100212 its reverse (21200112212201), we get a palindrome (31421333312413).

The spelling of 10221221100212 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty-one million, one hundred thousand, two hundred twelve".