10331221313220 has 48 divisors (see below), whose sum is σ = 28927700847360. Its totient is φ = 2754965572096.

The previous prime is 10331221313191. The next prime is 10331221313227. The reversal of 10331221313220 is 2231312213301.

It is not an unprimeable number, because it can be changed into a prime (10331221313227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5825989 + ... + 7389491.

It is an arithmetic number, because the mean of its divisors is an integer number (602660434320).

Almost surely, 2^{10331221313220} is an apocalyptic number.

10331221313220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10331221313220 is an abundant number, since it is smaller than the sum of its proper divisors (18596479534140).

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

10331221313220 is a wasteful number, since it uses less digits than its factorization.

10331221313220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673644 (or 1673642 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 10331221313220 its reverse (2231312213301), we get a palindrome (12562533526521).

The spelling of 10331221313220 in words is "ten trillion, three hundred thirty-one billion, two hundred twenty-one million, three hundred thirteen thousand, two hundred twenty".