100405210003 has 16 divisors (see below), whose sum is σ = 122145408000. Its totient is φ = 80615950272.

The previous prime is 100405209967. The next prime is 100405210069. The reversal of 100405210003 is 300012504001.

It is a cyclic number.

It is not a de Polignac number, because 100405210003 - 2²⁹ = 99868339091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100405219003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4229323 + ... + 4252996.

It is an arithmetic number, because the mean of its divisors is an integer number (7634088000).

Almost surely, 2^100405210003 is an apocalyptic number.

100405210003 is a deficient number, since it is larger than the sum of its proper divisors (21740197997).

100405210003 is an equidigital number, since it uses as much as digits as its factorization.

100405210003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8482434.

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 100405210003 its reverse (300012504001), we get a palindrome (400417714004).

The spelling of 100405210003 in words is "one hundred billion, four hundred five million, two hundred ten thousand, three".