11312203233321 has 20 divisors (see below), whose sum is σ = 16898761918852. Its totient is φ = 7541341416288.

The previous prime is 11312203233259. The next prime is 11312203233329. The reversal of 11312203233321 is 12333230221311.

11312203233321 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 2 + 2 + 0 + 323 + 332 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4972186425600 + 6340016807721 = 2229840^2 + 2517939^2 .

It is not a de Polignac number, because 11312203233321 - 2⁷ = 11312203233193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312203233329) 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 19 ways as a sum of consecutive naturals, for example, 3772011 + ... + 6070623.

Almost surely, 2^{11312203233321} is an apocalyptic number.

It is an amenable number.

11312203233321 is a deficient number, since it is larger than the sum of its proper divisors (5586558685531).

11312203233321 is an equidigital number, since it uses as much as digits as its factorization.

11312203233321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359382 (or 2359373 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 11312203233321 its reverse (12333230221311), we get a palindrome (23645433454632).

The spelling of 11312203233321 in words is "eleven trillion, three hundred twelve billion, two hundred three million, two hundred thirty-three thousand, three hundred twenty-one".