111000100203 has 96 divisors (see below), whose sum is σ = 181715788800. Its totient is φ = 64873267200.

The previous prime is 111000100201. The next prime is 111000100207. The reversal of 111000100203 is 302001000111.

It is not a de Polignac number, because 111000100203 - 2¹ = 111000100201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (111000100201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 132300058 + ... + 132300896.

It is an arithmetic number, because the mean of its divisors is an integer number (1892872800).

Almost surely, 2^111000100203 is an apocalyptic number.

111000100203 is a deficient number, since it is larger than the sum of its proper divisors (70715688597).

111000100203 is a wasteful number, since it uses less digits than its factorization.

111000100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 111000100203 its reverse (302001000111), we get a palindrome (413001100314).

The spelling of 111000100203 in words is "one hundred eleven billion, one hundred thousand, two hundred three".