2010044021 has 2 divisors, whose sum is σ = 2010044022. Its totient is φ = 2010044020.

The previous prime is 2010044017. The next prime is 2010044033. The reversal of 2010044021 is 1204400102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1987822225 + 22221796 = 44585^2 + 4714^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010044021 - 2² = 2010044017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2010043987 and 2010044005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010044051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005022010 + 1005022011.

It is an arithmetic number, because the mean of its divisors is an integer number (1005022011).

Almost surely, 2^2010044021 is an apocalyptic number.

It is an amenable number.

2010044021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010044021 is an equidigital number, since it uses as much as digits as its factorization.

2010044021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2010044021 is about 44833.5144841446. The cubic root of 2010044021 is about 1262.0266412985.

Adding to 2010044021 its reverse (1204400102), we get a palindrome (3214444123).

The spelling of 2010044021 in words is "two billion, ten million, forty-four thousand, twenty-one".