111020221003 has 8 divisors (see below), whose sum is σ = 114969288816. Its totient is φ = 107139832800.

The previous prime is 111020221001. The next prime is 111020221021. The reversal of 111020221003 is 300122020111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111020221003 - 2¹ = 111020221001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111020221001) 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 7 ways as a sum of consecutive naturals, for example, 17166613 + ... + 17173078.

It is an arithmetic number, because the mean of its divisors is an integer number (14371161102).

Almost surely, 2^111020221003 is an apocalyptic number.

111020221003 is a deficient number, since it is larger than the sum of its proper divisors (3949067813).

111020221003 is an equidigital number, since it uses as much as digits as its factorization.

111020221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34339805.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 111020221003 its reverse (300122020111), we get a palindrome (411142241114).

The spelling of 111020221003 in words is "one hundred eleven billion, twenty million, two hundred twenty-one thousand, three".