2101444133 has 2 divisors, whose sum is σ = 2101444134. Its totient is φ = 2101444132.

The previous prime is 2101444129. The next prime is 2101444141. The reversal of 2101444133 is 3314441012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1262878369 + 838565764 = 35537^2 + 28958^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101444133 - 2² = 2101444129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2101444099 and 2101444108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101444183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050722066 + 1050722067.

It is an arithmetic number, because the mean of its divisors is an integer number (1050722067).

Almost surely, 2^2101444133 is an apocalyptic number.

It is an amenable number.

2101444133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101444133 is an equidigital number, since it uses as much as digits as its factorization.

2101444133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2101444133 is about 45841.5110243980. The cubic root of 2101444133 is about 1280.8726416346.

Adding to 2101444133 its reverse (3314441012), we get a palindrome (5415885145).

The spelling of 2101444133 in words is "two billion, one hundred one million, four hundred forty-four thousand, one hundred thirty-three".