111210221203 has 4 divisors (see below), whose sum is σ = 117063390760. Its totient is φ = 105357051648.

The previous prime is 111210221167. The next prime is 111210221219. The reversal of 111210221203 is 302122012111.

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

It is a cyclic number.

It is not a de Polignac number, because 111210221203 - 2¹³ = 111210213011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111210221273) 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, 2926584750 + ... + 2926584787.

It is an arithmetic number, because the mean of its divisors is an integer number (29265847690).

Almost surely, 2^111210221203 is an apocalyptic number.

111210221203 is a deficient number, since it is larger than the sum of its proper divisors (5853169557).

111210221203 is an equidigital number, since it uses as much as digits as its factorization.

111210221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5853169556.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111210221203 its reverse (302122012111), we get a palindrome (413332233314).

It can be divided in two parts, 11121022 and 1203, that added together give a square (11122225 = 3335²).

The spelling of 111210221203 in words is "one hundred eleven billion, two hundred ten million, two hundred twenty-one thousand, two hundred three".