201122003 has 4 divisors (see below), whose sum is σ = 201163920. Its totient is φ = 201080088.

The previous prime is 201121993. The next prime is 201122021. The reversal of 201122003 is 300221102.

It is a happy number.

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 201122003 - 2¹⁰ = 201120979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201122093) 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 3 ways as a sum of consecutive naturals, for example, 12668 + ... + 23721.

It is an arithmetic number, because the mean of its divisors is an integer number (50290980).

Almost surely, 2^201122003 is an apocalyptic number.

201122003 is a deficient number, since it is larger than the sum of its proper divisors (41917).

201122003 is an equidigital number, since it uses as much as digits as its factorization.

201122003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41916.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 201122003 is about 14181.7489400990. The cubic root of 201122003 is about 585.8950945401.

Adding to 201122003 its reverse (300221102), we get a palindrome (501343105).

Subtracting 201122003 from its reverse (300221102), we obtain a palindrome (99099099).

The spelling of 201122003 in words is "two hundred one million, one hundred twenty-two thousand, three".