103121002003 has 2 divisors, whose sum is σ = 103121002004. Its totient is φ = 103121002002.

The previous prime is 103121001979. The next prime is 103121002037. The reversal of 103121002003 is 300200121301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103121002003 - 2⁹ = 103121001491 is a prime.

It is not a weakly prime, because it can be changed into another prime (103121009003) 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, 51560501001 + 51560501002.

It is an arithmetic number, because the mean of its divisors is an integer number (51560501002).

Almost surely, 2^103121002003 is an apocalyptic number.

103121002003 is a deficient number, since it is larger than the sum of its proper divisors (1).

103121002003 is an equidigital number, since it uses as much as digits as its factorization.

103121002003 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 13.

Adding to 103121002003 its reverse (300200121301), we get a palindrome (403321123304).

The spelling of 103121002003 in words is "one hundred three billion, one hundred twenty-one million, two thousand, three".