2521100201 has 2 divisors, whose sum is σ = 2521100202. Its totient is φ = 2521100200.

The previous prime is 2521100143. The next prime is 2521100207. The reversal of 2521100201 is 1020011252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1541347600 + 979752601 = 39260^2 + 31301^2 .

It is a cyclic number.

It is not a de Polignac number, because 2521100201 - 2¹⁸ = 2520838057 is a prime.

It is not a weakly prime, because it can be changed into another prime (2521100207) 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, 1260550100 + 1260550101.

It is an arithmetic number, because the mean of its divisors is an integer number (1260550101).

Almost surely, 2^2521100201 is an apocalyptic number.

It is an amenable number.

2521100201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521100201 is an equidigital number, since it uses as much as digits as its factorization.

2521100201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 2521100201 is about 50210.5586605049. The cubic root of 2521100201 is about 1361.0164332383.

Adding to 2521100201 its reverse (1020011252), we get a palindrome (3541111453).

The spelling of 2521100201 in words is "two billion, five hundred twenty-one million, one hundred thousand, two hundred one".