10221320320100 has 18 divisors (see below), whose sum is σ = 22180265094834. Its totient is φ = 4088528128000.

The previous prime is 10221320320093. The next prime is 10221320320111. The reversal of 10221320320100 is 102302312201.

It can be written as a sum of positive squares in 3 ways, for example, as 2570084416 + 10218750235684 = 50696^2 + 3196678^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51106601501 + ... + 51106601700.

It is an arithmetic number, because the mean of its divisors is an integer number (1232236949713).

Almost surely, 2^{10221320320100} is an apocalyptic number.

10221320320100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221320320100 is an abundant number, since it is smaller than the sum of its proper divisors (11958944774734).

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

10221320320100 is a wasteful number, since it uses less digits than its factorization.

10221320320100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102213203215 (or 102213203208 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10221320320100 its reverse (102302312201), we get a palindrome (10323622632301).

The spelling of 10221320320100 in words is "ten trillion, two hundred twenty-one billion, three hundred twenty million, three hundred twenty thousand, one hundred".