100111112003 has 16 divisors (see below), whose sum is σ = 114571591680. Its totient is φ = 85690452096.

The previous prime is 100111111993. The next prime is 100111112009. The reversal of 100111112003 is 300211111001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100111112003 - 2⁸ = 100111111747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100111112009) 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, 25361876 + ... + 25365822.

It is an arithmetic number, because the mean of its divisors is an integer number (7160724480).

Almost surely, 2^100111112003 is an apocalyptic number.

100111112003 is a deficient number, since it is larger than the sum of its proper divisors (14460479677).

100111112003 is a wasteful number, since it uses less digits than its factorization.

100111112003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8066.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 100111112003 its reverse (300211111001), we get a palindrome (400322223004).

The spelling of 100111112003 in words is "one hundred billion, one hundred eleven million, one hundred twelve thousand, three".