10221440403320 has 32 divisors (see below), whose sum is σ = 23135954940000. Its totient is φ = 4064093666688.

The previous prime is 10221440403299. The next prime is 10221440403323. The reversal of 10221440403320 is 2330404412201.

It is a self number, because there is not a number n which added to its sum of digits gives 10221440403320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221440403323) by changing a digit.

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, 765071195 + ... + 765084554.

It is an arithmetic number, because the mean of its divisors is an integer number (722998591875).

Almost surely, 2^{10221440403320} is an apocalyptic number.

10221440403320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221440403320 is an abundant number, since it is smaller than the sum of its proper divisors (12914514536680).

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

10221440403320 is a wasteful number, since it uses less digits than its factorization.

10221440403320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530155927 (or 1530155923 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 10221440403320 its reverse (2330404412201), we get a palindrome (12551844815521).

The spelling of 10221440403320 in words is "ten trillion, two hundred twenty-one billion, four hundred forty million, four hundred three thousand, three hundred twenty".