11232310221 has 12 divisors (see below), whose sum is σ = 17699398080. Its totient is φ = 6807460680.

The previous prime is 11232310171. The next prime is 11232310223. The reversal of 11232310221 is 12201323211.

11232310221 is a `hidden beast` number, since 112 + 323 + 10 + 221 = 666.

It is not a de Polignac number, because 11232310221 - 2¹⁰ = 11232309197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11232310194 and 11232310203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11232310223) 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 11 ways as a sum of consecutive naturals, for example, 56728741 + ... + 56728938.

It is an arithmetic number, because the mean of its divisors is an integer number (1474949840).

Almost surely, 2^11232310221 is an apocalyptic number.

11232310221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11232310221 is a deficient number, since it is larger than the sum of its proper divisors (6467087859).

11232310221 is a wasteful number, since it uses less digits than its factorization.

11232310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113457696 (or 113457693 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11232310221 its reverse (12201323211), we get a palindrome (23433633432).

The spelling of 11232310221 in words is "eleven billion, two hundred thirty-two million, three hundred ten thousand, two hundred twenty-one".