2144014021 has 2 divisors, whose sum is σ = 2144014022. Its totient is φ = 2144014020.

The previous prime is 2144014009. The next prime is 2144014057. The reversal of 2144014021 is 1204104412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2140912900 + 3101121 = 46270^2 + 1761^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144014021 - 2¹¹ = 2144011973 is a prime.

It is a super-2 number, since 2×2144014021² = 9193592244489176882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2144014021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144014001) 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 as a sum of consecutive naturals, namely, 1072007010 + 1072007011.

It is an arithmetic number, because the mean of its divisors is an integer number (1072007011).

Almost surely, 2^2144014021 is an apocalyptic number.

It is an amenable number.

2144014021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144014021 is an equidigital number, since it uses as much as digits as its factorization.

2144014021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2144014021 is about 46303.4990146533. The cubic root of 2144014021 is about 1289.4639563202.

Adding to 2144014021 its reverse (1204104412), we get a palindrome (3348118433).

The spelling of 2144014021 in words is "two billion, one hundred forty-four million, fourteen thousand, twenty-one".