1144224311421 has 8 divisors (see below), whose sum is σ = 1525637640384. Its totient is φ = 762813595040.

The previous prime is 1144224311407. The next prime is 1144224311441. The reversal of 1144224311421 is 1241134224411.

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 1144224311421 - 2⁵ = 1144224311389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144224311441) by changing a digit.

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, 888841 + ... + 1754561.

It is an arithmetic number, because the mean of its divisors is an integer number (190704705048).

Almost surely, 2^{1144224311421} is an apocalyptic number.

It is an amenable number.

1144224311421 is a deficient number, since it is larger than the sum of its proper divisors (381413328963).

1144224311421 is an equidigital number, since it uses as much as digits as its factorization.

1144224311421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306291.

The product of its digits is 6144, while the sum is 30.

Adding to 1144224311421 its reverse (1241134224411), we get a palindrome (2385358535832).

The spelling of 1144224311421 in words is "one trillion, one hundred forty-four billion, two hundred twenty-four million, three hundred eleven thousand, four hundred twenty-one".