2211421424440 has 32 divisors (see below), whose sum is σ = 4980610140480. Its totient is φ = 883695336832.

The previous prime is 2211421424419. The next prime is 2211421424467. The reversal of 2211421424440 is 444241241122.

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 7 ways as a sum of consecutive naturals, for example, 27247504 + ... + 27328543.

It is an arithmetic number, because the mean of its divisors is an integer number (155644066890).

Almost surely, 2^{2211421424440} is an apocalyptic number.

2211421424440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211421424440 is an abundant number, since it is smaller than the sum of its proper divisors (2769188716040).

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

2211421424440 is a wasteful number, since it uses less digits than its factorization.

2211421424440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54577071 (or 54577067 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 2211421424440 its reverse (444241241122), we get a palindrome (2655662665562).

The spelling of 2211421424440 in words is "two trillion, two hundred eleven billion, four hundred twenty-one million, four hundred twenty-four thousand, four hundred forty".