320223210011 has 4 divisors (see below), whose sum is σ = 320279702400. Its totient is φ = 320166717624.

The previous prime is 320223210007. The next prime is 320223210023. The reversal of 320223210011 is 110012322023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110012322023 = 163 ⋅674922221.

It is a cyclic number.

It is not a de Polignac number, because 320223210011 - 2² = 320223210007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320223210611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28237691 + ... + 28249028.

It is an arithmetic number, because the mean of its divisors is an integer number (80069925600).

Almost surely, 2^320223210011 is an apocalyptic number.

320223210011 is a deficient number, since it is larger than the sum of its proper divisors (56492389).

320223210011 is an equidigital number, since it uses as much as digits as its factorization.

320223210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56492388.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 320223210011 its reverse (110012322023), we get a palindrome (430235532034).

The spelling of 320223210011 in words is "three hundred twenty billion, two hundred twenty-three million, two hundred ten thousand, eleven".