2100044321 has 2 divisors, whose sum is σ = 2100044322. Its totient is φ = 2100044320.

The previous prime is 2100044299. The next prime is 2100044327. The reversal of 2100044321 is 1234400012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2039515921 + 60528400 = 45161^2 + 7780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100044321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2100044321.

It is not a weakly prime, because it can be changed into another prime (2100044327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050022160 + 1050022161.

It is an arithmetic number, because the mean of its divisors is an integer number (1050022161).

Almost surely, 2^2100044321 is an apocalyptic number.

It is an amenable number.

2100044321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100044321 is an equidigital number, since it uses as much as digits as its factorization.

2100044321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2100044321 is about 45826.2405287626. The cubic root of 2100044321 is about 1280.5881739002.

Adding to 2100044321 its reverse (1234400012), we get a palindrome (3334444333).

The spelling of 2100044321 in words is "two billion, one hundred million, forty-four thousand, three hundred twenty-one".