100011203103 has 16 divisors (see below), whose sum is σ = 152409427200. Its totient is φ = 57144982656.

The previous prime is 100011203101. The next prime is 100011203111. The reversal of 100011203103 is 301302110001.

It is not a de Polignac number, because 100011203103 - 2¹ = 100011203101 is a prime.

It is a super-2 number, since 2×100011203103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100011203101) 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 in 15 ways as a sum of consecutive naturals, for example, 120823 + ... + 463271.

It is an arithmetic number, because the mean of its divisors is an integer number (9525589200).

Almost surely, 2^100011203103 is an apocalyptic number.

100011203103 is a deficient number, since it is larger than the sum of its proper divisors (52398224097).

100011203103 is a wasteful number, since it uses less digits than its factorization.

100011203103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356366.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 100011203103 its reverse (301302110001), we get a palindrome (401313313104).

The spelling of 100011203103 in words is "one hundred billion, eleven million, two hundred three thousand, one hundred three".