2211003421440 has 144 divisors (see below), whose sum is σ = 7703337067776. Its totient is φ = 536000819200.

The previous prime is 2211003421433. The next prime is 2211003421441. The reversal of 2211003421440 is 441243001122.

It is a super-2 number, since 2×2211003421440² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2211003421440.

It is not an unprimeable number, because it can be changed into a prime (2211003421441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26129676 + ... + 26214155.

It is an arithmetic number, because the mean of its divisors is an integer number (53495396304).

Almost surely, 2^{2211003421440} is an apocalyptic number.

2211003421440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211003421440 is an abundant number, since it is smaller than the sum of its proper divisors (5492333646336).

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

2211003421440 is a wasteful number, since it uses less digits than its factorization.

2211003421440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52343866 (or 52343852 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2211003421440 its reverse (441243001122), we get a palindrome (2652246422562).

The spelling of 2211003421440 in words is "two trillion, two hundred eleven billion, three million, four hundred twenty-one thousand, four hundred forty".