10221000221012 has 24 divisors (see below), whose sum is σ = 20443393486656. Its totient is φ = 4380130156608.

The previous prime is 10221000220987. The next prime is 10221000221051. The reversal of 10221000221012 is 21012200012201.

It is a Harshad number since it is a multiple of its sum of digits (14).

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 7 ways as a sum of consecutive naturals, for example, 12019433 + ... + 12841680.

It is an arithmetic number, because the mean of its divisors is an integer number (851808061944).

Almost surely, 2^{10221000221012} is an apocalyptic number.

It is an amenable number.

10221000221012 is an abundant number, since it is smaller than the sum of its proper divisors (10222393265644).

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

10221000221012 is a wasteful number, since it uses less digits than its factorization.

10221000221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24875807 (or 24875805 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10221000221012 its reverse (21012200012201), we get a palindrome (31233200233213).

The spelling of 10221000221012 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty-one thousand, twelve".