10221220301320 has 96 divisors (see below), whose sum is σ = 26778433049280. Its totient is φ = 3501018648960.

The previous prime is 10221220301317. The next prime is 10221220301333. The reversal of 10221220301320 is 2310302212201.

It is a super-2 number, since 2×10221220301320² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 508294 + ... + 4549813.

It is an arithmetic number, because the mean of its divisors is an integer number (278942010930).

Almost surely, 2^{10221220301320} is an apocalyptic number.

10221220301320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10221220301320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13389216524640).

10221220301320 is an abundant number, since it is smaller than the sum of its proper divisors (16557212747960).

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

10221220301320 is a wasteful number, since it uses less digits than its factorization.

10221220301320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5059163 (or 5059152 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10221220301320 its reverse (2310302212201), we get a palindrome (12531522513521).

The spelling of 10221220301320 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty million, three hundred one thousand, three hundred twenty".