2211323240000 has 280 divisors, whose sum is σ = 6384983001408. Its totient is φ = 743857920000.

The previous prime is 2211323239991. The next prime is 2211323240017. The reversal of 2211323240000 is 423231122.

It is a tau number, because it is divible by the number of its divisors (280).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14765495 + ... + 14914505.

Almost surely, 2^{2211323240000} is an apocalyptic number.

2211323240000 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 2211323240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3192491500704).

2211323240000 is an abundant number, since it is smaller than the sum of its proper divisors (4173659761408).

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

2211323240000 is an equidigital number, since it uses as much as digits as its factorization.

2211323240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149103 (or 149078 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2211323240000 its reverse (423231122), we get a palindrome (2211746471122).

The spelling of 2211323240000 in words is "two trillion, two hundred eleven billion, three hundred twenty-three million, two hundred forty thousand".