1311033120201 has 48 divisors (see below), whose sum is σ = 2222934175488. Its totient is φ = 728849923200.

The previous prime is 1311033120179. The next prime is 1311033120263. The reversal of 1311033120201 is 1020213301131.

1311033120201 is a `hidden beast` number, since 1 + 3 + 110 + 331 + 20 + 201 = 666.

It is not a de Polignac number, because 1311033120201 - 2⁵ = 1311033120169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311033120281) 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 47 ways as a sum of consecutive naturals, for example, 40965316 + ... + 40997306.

It is an arithmetic number, because the mean of its divisors is an integer number (46311128656).

Almost surely, 2^{1311033120201} is an apocalyptic number.

It is an amenable number.

1311033120201 is a deficient number, since it is larger than the sum of its proper divisors (911901055287).

1311033120201 is a wasteful number, since it uses less digits than its factorization.

1311033120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49622 (or 49619 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1311033120201 its reverse (1020213301131), we get a palindrome (2331246421332).

The spelling of 1311033120201 in words is "one trillion, three hundred eleven billion, thirty-three million, one hundred twenty thousand, two hundred one".