2221032321120 has 192 divisors, whose sum is σ = 7120263648960. Its totient is φ = 581802393600.

The previous prime is 2221032321119. The next prime is 2221032321187. The reversal of 2221032321120 is 211232301222.

It is a super-3 number, since 3×2221032321120³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22467000 + ... + 22565640.

It is an arithmetic number, because the mean of its divisors is an integer number (37084706505).

Almost surely, 2^{2221032321120} is an apocalyptic number.

2221032321120 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 2221032321120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3560131824480).

2221032321120 is an abundant number, since it is smaller than the sum of its proper divisors (4899231327840).

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

2221032321120 is a wasteful number, since it uses less digits than its factorization.

2221032321120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99489 (or 99481 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2221032321120 its reverse (211232301222), we get a palindrome (2432264622342).

The spelling of 2221032321120 in words is "two trillion, two hundred twenty-one billion, thirty-two million, three hundred twenty-one thousand, one hundred twenty".