320133222011 has 4 divisors (see below), whose sum is σ = 322097229672. Its totient is φ = 318169214352.

The previous prime is 320133222007. The next prime is 320133222023. The reversal of 320133222011 is 110222331023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320133222011 - 2² = 320133222007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320133222041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 982003586 + ... + 982003911.

It is an arithmetic number, because the mean of its divisors is an integer number (80524307418).

Almost surely, 2^320133222011 is an apocalyptic number.

320133222011 is a deficient number, since it is larger than the sum of its proper divisors (1964007661).

320133222011 is a wasteful number, since it uses less digits than its factorization.

320133222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964007660.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 320133222011 its reverse (110222331023), we get a palindrome (430355553034).

It can be divided in two parts, 320 and 133222011, that added together give a palindrome (133222331).

The spelling of 320133222011 in words is "three hundred twenty billion, one hundred thirty-three million, two hundred twenty-two thousand, eleven".