20100210103 has 2 divisors, whose sum is σ = 20100210104. Its totient is φ = 20100210102.

The previous prime is 20100210061. The next prime is 20100210127. The reversal of 20100210103 is 30101200102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20100210103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20100210103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20100219103) 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, 10050105051 + 10050105052.

It is an arithmetic number, because the mean of its divisors is an integer number (10050105052).

Almost surely, 2^20100210103 is an apocalyptic number.

20100210103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100210103 is an equidigital number, since it uses as much as digits as its factorization.

20100210103 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 20100210103 its reverse (30101200102), we get a palindrome (50201410205).

The spelling of 20100210103 in words is "twenty billion, one hundred million, two hundred ten thousand, one hundred three".