11331221330232 has 96 divisors (see below), whose sum is σ = 31754740446000. Its totient is φ = 3645935677440.

The previous prime is 11331221330137. The next prime is 11331221330267. The reversal of 11331221330232 is 23203312213311.

11331221330232 is a `hidden beast` number, since 1 + 1 + 3 + 312 + 2 + 13 + 302 + 32 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11331221330196 and 11331221330205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7878744 + ... + 9205272.

Almost surely, 2^{11331221330232} is an apocalyptic number.

11331221330232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11331221330232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15877370223000).

11331221330232 is an abundant number, since it is smaller than the sum of its proper divisors (20423519115768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11331221330232 is a wasteful number, since it uses less digits than its factorization.

11331221330232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330661 (or 1330654 counting only the distinct ones).

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

Adding to 11331221330232 its reverse (23203312213311), we get a palindrome (34534533543543).

The spelling of 11331221330232 in words is "eleven trillion, three hundred thirty-one billion, two hundred twenty-one million, three hundred thirty thousand, two hundred thirty-two".