111021201003 has 4 divisors (see below), whose sum is σ = 148028268008. Its totient is φ = 74014134000.

The previous prime is 111021200993. The next prime is 111021201007. The reversal of 111021201003 is 300102120111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 111021201003 - 2⁸ = 111021200747 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 111021201003.

It is not an unprimeable number, because it can be changed into a prime (111021201007) 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 3 ways as a sum of consecutive naturals, for example, 18503533498 + ... + 18503533503.

It is an arithmetic number, because the mean of its divisors is an integer number (37007067002).

Almost surely, 2^111021201003 is an apocalyptic number.

111021201003 is a deficient number, since it is larger than the sum of its proper divisors (37007067005).

111021201003 is an equidigital number, since it uses as much as digits as its factorization.

111021201003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37007067004.

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

Adding to 111021201003 its reverse (300102120111), we get a palindrome (411123321114).

The spelling of 111021201003 in words is "one hundred eleven billion, twenty-one million, two hundred one thousand, three".