1444014213221 has 4 divisors (see below), whose sum is σ = 1444352314944. Its totient is φ = 1443676111500.

The previous prime is 1444014213199. The next prime is 1444014213373. The reversal of 1444014213221 is 1223124104441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1444014213221 - 2¹⁰ = 1444014212197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444014215221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169044455 + ... + 169052996.

It is an arithmetic number, because the mean of its divisors is an integer number (361088078736).

Almost surely, 2^{1444014213221} is an apocalyptic number.

It is an amenable number.

1444014213221 is a deficient number, since it is larger than the sum of its proper divisors (338101723).

1444014213221 is an equidigital number, since it uses as much as digits as its factorization.

1444014213221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338101722.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1444014213221 its reverse (1223124104441), we get a palindrome (2667138317662).

The spelling of 1444014213221 in words is "one trillion, four hundred forty-four billion, fourteen million, two hundred thirteen thousand, two hundred twenty-one".