1311223032201 has 16 divisors (see below), whose sum is σ = 1772968618368. Its totient is φ = 861813724800.

The previous prime is 1311223032191. The next prime is 1311223032221. The reversal of 1311223032201 is 1022303221131.

It is not a de Polignac number, because 1311223032201 - 2¹¹ = 1311223030153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311223032221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12244671 + ... + 12351291.

It is an arithmetic number, because the mean of its divisors is an integer number (110810538648).

Almost surely, 2^{1311223032201} is an apocalyptic number.

It is an amenable number.

1311223032201 is a deficient number, since it is larger than the sum of its proper divisors (461745586167).

1311223032201 is a wasteful number, since it uses less digits than its factorization.

1311223032201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164432.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1311223032201 its reverse (1022303221131), we get a palindrome (2333526253332).

The spelling of 1311223032201 in words is "one trillion, three hundred eleven billion, two hundred twenty-three million, thirty-two thousand, two hundred one".