2044433320121 has 2 divisors, whose sum is σ = 2044433320122. Its totient is φ = 2044433320120.

The previous prime is 2044433320067. The next prime is 2044433320123. The reversal of 2044433320121 is 1210233344402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1974980515600 + 69452804521 = 1405340^2 + 263539^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044433320121 - 2⁶ = 2044433320057 is a prime.

Together with 2044433320123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2044433320123) 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, 1022216660060 + 1022216660061.

It is an arithmetic number, because the mean of its divisors is an integer number (1022216660061).

Almost surely, 2^{2044433320121} is an apocalyptic number.

It is an amenable number.

2044433320121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044433320121 is an equidigital number, since it uses as much as digits as its factorization.

2044433320121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 2044433320121 its reverse (1210233344402), we get a palindrome (3254666664523).

The spelling of 2044433320121 in words is "two trillion, forty-four billion, four hundred thirty-three million, three hundred twenty thousand, one hundred twenty-one".