200121130103 has 2 divisors, whose sum is σ = 200121130104. Its totient is φ = 200121130102.

The previous prime is 200121130063. The next prime is 200121130211. The reversal of 200121130103 is 301031121002.

200121130103 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200121130103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200121130303) 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, 100060565051 + 100060565052.

It is an arithmetic number, because the mean of its divisors is an integer number (100060565052).

Almost surely, 2^200121130103 is an apocalyptic number.

200121130103 is a deficient number, since it is larger than the sum of its proper divisors (1).

200121130103 is an equidigital number, since it uses as much as digits as its factorization.

200121130103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 200121130103 its reverse (301031121002), we get a palindrome (501152251105).

The spelling of 200121130103 in words is "two hundred billion, one hundred twenty-one million, one hundred thirty thousand, one hundred three".