100011103203 has 24 divisors (see below), whose sum is σ = 146651998864. Its totient is φ = 60580016640.

The previous prime is 100011103201. The next prime is 100011103217. The reversal of 100011103203 is 302301110001.

It is not a de Polignac number, because 100011103203 - 2¹ = 100011103201 is a prime.

It is a super-2 number, since 2×100011103203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100011103201) 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 23 ways as a sum of consecutive naturals, for example, 606351 + ... + 753447.

Almost surely, 2^100011103203 is an apocalyptic number.

100011103203 is a deficient number, since it is larger than the sum of its proper divisors (46640895661).

100011103203 is a wasteful number, since it uses less digits than its factorization.

100011103203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148995 (or 148984 counting only the distinct ones).

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

Adding to 100011103203 its reverse (302301110001), we get a palindrome (402312213204).

The spelling of 100011103203 in words is "one hundred billion, eleven million, one hundred three thousand, two hundred three".