14224433401021 has 2 divisors, whose sum is σ = 14224433401022. Its totient is φ = 14224433401020.

The previous prime is 14224433401019. The next prime is 14224433401033. The reversal of 14224433401021 is 12010433442241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11775803064921 + 2448630336100 = 3431589^2 + 1564810^2 .

It is a cyclic number.

It is not a de Polignac number, because 14224433401021 - 2¹ = 14224433401019 is a prime.

It is a super-4 number, since 4×14224433401021⁴ (a number of 54 digits) contains 4444 as substring.

Together with 14224433401019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14224433401721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7112216700510 + 7112216700511.

It is an arithmetic number, because the mean of its divisors is an integer number (7112216700511).

Almost surely, 2^{14224433401021} is an apocalyptic number.

It is an amenable number.

14224433401021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14224433401021 is an equidigital number, since it uses as much as digits as its factorization.

14224433401021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 14224433401021 its reverse (12010433442241), we get a palindrome (26234866843262).

The spelling of 14224433401021 in words is "fourteen trillion, two hundred twenty-four billion, four hundred thirty-three million, four hundred one thousand, twenty-one".