201122312303 has 12 divisors (see below), whose sum is σ = 229360320168. Its totient is φ = 174888962160.

The previous prime is 201122312249. The next prime is 201122312317. The reversal of 201122312303 is 303213221102.

It is not a de Polignac number, because 201122312303 - 2⁸ = 201122312047 is a prime.

It is a super-2 number, since 2×201122312303² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122312333) 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 11 ways as a sum of consecutive naturals, for example, 17275700 + ... + 17287337.

It is an arithmetic number, because the mean of its divisors is an integer number (19113360014).

Almost surely, 2^201122312303 is an apocalyptic number.

201122312303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

201122312303 is a deficient number, since it is larger than the sum of its proper divisors (28238007865).

201122312303 is a wasteful number, since it uses less digits than its factorization.

201122312303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34563094 (or 34563071 counting only the distinct ones).

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

Adding to 201122312303 its reverse (303213221102), we get a palindrome (504335533405).

The spelling of 201122312303 in words is "two hundred one billion, one hundred twenty-two million, three hundred twelve thousand, three hundred three".