2221310010320 has 80 divisors (see below), whose sum is σ = 5212332675072. Its totient is φ = 880333363200.

The previous prime is 2221310010301. The next prime is 2221310010377. The reversal of 2221310010320 is 230100131222.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4386584 + ... + 4866696.

Almost surely, 2^{2221310010320} is an apocalyptic number.

2221310010320 is a gapful number since it is divisible by the number (20) 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 2221310010320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2606166337536).

2221310010320 is an abundant number, since it is smaller than the sum of its proper divisors (2991022664752).

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

2221310010320 is a wasteful number, since it uses less digits than its factorization.

2221310010320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480660 (or 480654 counting only the distinct ones).

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

Adding to 2221310010320 its reverse (230100131222), we get a palindrome (2451410141542).

The spelling of 2221310010320 in words is "two trillion, two hundred twenty-one billion, three hundred ten million, ten thousand, three hundred twenty".