111020103003 has 16 divisors (see below), whose sum is σ = 149145530240. Its totient is φ = 73454423616.

The previous prime is 111020103001. The next prime is 111020103013. The reversal of 111020103003 is 300301020111.

It is not a de Polignac number, because 111020103003 - 2¹ = 111020103001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111020103003.

It is not an unprimeable number, because it can be changed into a prime (111020103001) 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, 1144776 + ... + 1237962.

It is an arithmetic number, because the mean of its divisors is an integer number (9321595640).

Almost surely, 2^111020103003 is an apocalyptic number.

111020103003 is a deficient number, since it is larger than the sum of its proper divisors (38125427237).

111020103003 is a wasteful number, since it uses less digits than its factorization.

111020103003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96186.

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

Adding to 111020103003 its reverse (300301020111), we get a palindrome (411321123114).

The spelling of 111020103003 in words is "one hundred eleven billion, twenty million, one hundred three thousand, three".