11230323133221 has 8 divisors (see below), whose sum is σ = 16637515752960. Its totient is φ = 7486882088796.

The previous prime is 11230323133217. The next prime is 11230323133223. The reversal of 11230323133221 is 12233132303211.

11230323133221 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 0 + 323 + 1 + 332 + 2 + 1 = 666.

It is not a de Polignac number, because 11230323133221 - 2² = 11230323133217 is a prime.

It is a super-2 number, since 2×11230323133221² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 415937893823 = 11230323133221 / (1 + 1 + 2 + 3 + 0 + 3 + 2 + 3 + 1 + 3 + 3 + 2 + 2 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230323133223) 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, 207968946885 + ... + 207968946938.

It is an arithmetic number, because the mean of its divisors is an integer number (2079689469120).

Almost surely, 2^{11230323133221} is an apocalyptic number.

It is an amenable number.

11230323133221 is a deficient number, since it is larger than the sum of its proper divisors (5407192619739).

11230323133221 is an equidigital number, since it uses as much as digits as its factorization.

11230323133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415937893832 (or 415937893826 counting only the distinct ones).

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

Adding to 11230323133221 its reverse (12233132303211), we get a palindrome (23463455436432).

The spelling of 11230323133221 in words is "eleven trillion, two hundred thirty billion, three hundred twenty-three million, one hundred thirty-three thousand, two hundred twenty-one".