14443221240121 has 4 divisors (see below), whose sum is σ = 14448616543972. Its totient is φ = 14437825936272.

The previous prime is 14443221240067. The next prime is 14443221240137. The reversal of 14443221240121 is 12104212234441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 161170934521 + 14282050305600 = 401461^2 + 3779160^2 .

It is a cyclic number.

It is not a de Polignac number, because 14443221240121 - 2⁹ = 14443221239609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14443221220121) 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 3 ways as a sum of consecutive naturals, for example, 2697647910 + ... + 2697653263.

It is an arithmetic number, because the mean of its divisors is an integer number (3612154135993).

Almost surely, 2^{14443221240121} is an apocalyptic number.

It is an amenable number.

14443221240121 is a deficient number, since it is larger than the sum of its proper divisors (5395303851).

14443221240121 is an equidigital number, since it uses as much as digits as its factorization.

14443221240121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5395303850.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 14443221240121 its reverse (12104212234441), we get a palindrome (26547433474562).

The spelling of 14443221240121 in words is "fourteen trillion, four hundred forty-three billion, two hundred twenty-one million, two hundred forty thousand, one hundred twenty-one".