10003200121 has 2 divisors, whose sum is σ = 10003200122. Its totient is φ = 10003200120.

The previous prime is 10003200113. The next prime is 10003200133. The reversal of 10003200121 is 12100230001.

10003200121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10002200121 + 1000000 = 100011^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 10003200121 - 2³ = 10003200113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10003200098 and 10003200107.

It is not a weakly prime, because it can be changed into another prime (10003200101) 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, 5001600060 + 5001600061.

It is an arithmetic number, because the mean of its divisors is an integer number (5001600061).

Almost surely, 2^10003200121 is an apocalyptic number.

It is an amenable number.

10003200121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10003200121 is an equidigital number, since it uses as much as digits as its factorization.

10003200121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 10003200121 its reverse (12100230001), we get a palindrome (22103430122).

The spelling of 10003200121 in words is "ten billion, three million, two hundred thousand, one hundred twenty-one".