10221221200102 has 32 divisors (see below), whose sum is σ = 16907815065600. Its totient is φ = 4595494284000.

The previous prime is 10221221200097. The next prime is 10221221200109. The reversal of 10221221200102 is 20100212212201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221221200109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7099 + ... + 4521337.

It is an arithmetic number, because the mean of its divisors is an integer number (528369220800).

Almost surely, 2^{10221221200102} is an apocalyptic number.

10221221200102 is a deficient number, since it is larger than the sum of its proper divisors (6686593865498).

10221221200102 is a wasteful number, since it uses less digits than its factorization.

10221221200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515372.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10221221200102 its reverse (20100212212201), we get a palindrome (30321433412303).

The spelling of 10221221200102 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty-one million, two hundred thousand, one hundred two".