440103211221 has 8 divisors (see below), whose sum is σ = 612317511360. Its totient is φ = 280645525952.

The previous prime is 440103211181. The next prime is 440103211277. The reversal of 440103211221 is 122112301044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440103211221 - 2⁹ = 440103210709 is a prime.

It is a super-2 number, since 2×440103211221² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440103211421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3189153636 + ... + 3189153773.

It is an arithmetic number, because the mean of its divisors is an integer number (76539688920).

Almost surely, 2^440103211221 is an apocalyptic number.

It is an amenable number.

440103211221 is a deficient number, since it is larger than the sum of its proper divisors (172214300139).

440103211221 is a wasteful number, since it uses less digits than its factorization.

440103211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6378307435.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 440103211221 its reverse (122112301044), we get a palindrome (562215512265).

The spelling of 440103211221 in words is "four hundred forty billion, one hundred three million, two hundred eleven thousand, two hundred twenty-one".