2100202361 has 2 divisors, whose sum is σ = 2100202362. Its totient is φ = 2100202360.

The previous prime is 2100202343. The next prime is 2100202463. The reversal of 2100202361 is 1632020012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1845991225 + 254211136 = 42965^2 + 15944^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100202361 - 2²⁶ = 2033093497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2100202961) 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, 1050101180 + 1050101181.

It is an arithmetic number, because the mean of its divisors is an integer number (1050101181).

Almost surely, 2^2100202361 is an apocalyptic number.

It is an amenable number.

2100202361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100202361 is an equidigital number, since it uses as much as digits as its factorization.

2100202361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2100202361 is about 45827.9648358947. The cubic root of 2100202361 is about 1280.6202968854.

Adding to 2100202361 its reverse (1632020012), we get a palindrome (3732222373).

The spelling of 2100202361 in words is "two billion, one hundred million, two hundred two thousand, three hundred sixty-one".