100020001003 has 8 divisors (see below), whose sum is σ = 107729939408. Its totient is φ = 92312361504.

The previous prime is 100020000961. The next prime is 100020001009. The reversal of 100020001003 is 300100020001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100020001003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100020001009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483825 + ... + 658882.

It is an arithmetic number, because the mean of its divisors is an integer number (13466242426).

Almost surely, 2^100020001003 is an apocalyptic number.

100020001003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100020001003 is a deficient number, since it is larger than the sum of its proper divisors (7709938405).

100020001003 is a wasteful number, since it uses less digits than its factorization.

100020001003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149453.

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 100020001003 its reverse (300100020001), we get a palindrome (400120021004).

The spelling of 100020001003 in words is "one hundred billion, twenty million, one thousand, three".