11230320321 has 12 divisors (see below), whose sum is σ = 17696262480. Its totient is φ = 6806254680.

The previous prime is 11230320293. The next prime is 11230320359. The reversal of 11230320321 is 12302303211.

11230320321 is a `hidden beast` number, since 1 + 1 + 23 + 0 + 320 + 321 = 666.

It is not a de Polignac number, because 11230320321 - 2¹⁹ = 11229796033 is a prime.

It is a super-2 number, since 2×11230320321² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11230320294 and 11230320303.

It is not an unprimeable number, because it can be changed into a prime (11230322321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56718691 + ... + 56718888.

It is an arithmetic number, because the mean of its divisors is an integer number (1474688540).

Almost surely, 2^11230320321 is an apocalyptic number.

11230320321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11230320321 is a deficient number, since it is larger than the sum of its proper divisors (6465942159).

11230320321 is a wasteful number, since it uses less digits than its factorization.

11230320321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113437596 (or 113437593 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11230320321 its reverse (12302303211), we get a palindrome (23532623532).

The spelling of 11230320321 in words is "eleven billion, two hundred thirty million, three hundred twenty thousand, three hundred twenty-one".