201211322303 has 8 divisors (see below), whose sum is σ = 211296967008. Its totient is φ = 191237121504.

The previous prime is 201211322293. The next prime is 201211322309. The reversal of 201211322303 is 303223112102.

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 201211322303 - 2²² = 201207127999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201211322309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27857276 + ... + 27864497.

It is an arithmetic number, because the mean of its divisors is an integer number (26412120876).

Almost surely, 2^201211322303 is an apocalyptic number.

201211322303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

201211322303 is a deficient number, since it is larger than the sum of its proper divisors (10085644705).

201211322303 is a wasteful number, since it uses less digits than its factorization.

201211322303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55721953.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 201211322303 its reverse (303223112102), we get a palindrome (504434434405).

The spelling of 201211322303 in words is "two hundred one billion, two hundred eleven million, three hundred twenty-two thousand, three hundred three".