100001320103 has 4 divisors (see below), whose sum is σ = 100018284000. Its totient is φ = 99984356208.

The previous prime is 100001320079. The next prime is 100001320127. The reversal of 100001320103 is 301023100001.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (100001320079) and next prime (100001320127).

It is a cyclic number.

It is not a de Polignac number, because 100001320103 - 2⁶ = 100001320039 is a prime.

It is a super-4 number, since 4×100001320103⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001320193) 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 in 3 ways as a sum of consecutive naturals, for example, 8473103 + ... + 8484896.

It is an arithmetic number, because the mean of its divisors is an integer number (25004571000).

Almost surely, 2^100001320103 is an apocalyptic number.

100001320103 is a deficient number, since it is larger than the sum of its proper divisors (16963897).

100001320103 is an equidigital number, since it uses as much as digits as its factorization.

100001320103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16963896.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 100001320103 its reverse (301023100001), we get a palindrome (401024420104).

The spelling of 100001320103 in words is "one hundred billion, one million, three hundred twenty thousand, one hundred three".