201123220003 has 8 divisors (see below), whose sum is σ = 201251483136. Its totient is φ = 200994998400.

The previous prime is 201123219923. The next prime is 201123220007. The reversal of 201123220003 is 300022321102.

201123220003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 201123220003 - 2⁹ = 201123219491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201123220007) 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 7 ways as a sum of consecutive naturals, for example, 21521950 + ... + 21531292.

It is an arithmetic number, because the mean of its divisors is an integer number (25156435392).

Almost surely, 2^201123220003 is an apocalyptic number.

201123220003 is a deficient number, since it is larger than the sum of its proper divisors (128263133).

201123220003 is an equidigital number, since it uses as much as digits as its factorization.

201123220003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20765.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 201123220003 its reverse (300022321102), we get a palindrome (501145541105).

The spelling of 201123220003 in words is "two hundred one billion, one hundred twenty-three million, two hundred twenty thousand, three".