101003668603 has 2 divisors, whose sum is σ = 101003668604. Its totient is φ = 101003668602.

The previous prime is 101003668589. The next prime is 101003668631. The reversal of 101003668603 is 306866300101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101003668603 - 2²⁵ = 100970114171 is a prime.

It is not a weakly prime, because it can be changed into another prime (101003768603) 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, 50501834301 + 50501834302.

It is an arithmetic number, because the mean of its divisors is an integer number (50501834302).

Almost surely, 2^101003668603 is an apocalyptic number.

101003668603 is a deficient number, since it is larger than the sum of its proper divisors (1).

101003668603 is an equidigital number, since it uses as much as digits as its factorization.

101003668603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

Adding to 101003668603 its reverse (306866300101), we get a palindrome (407869968704).

The spelling of 101003668603 in words is "one hundred one billion, three million, six hundred sixty-eight thousand, six hundred three".