320122032011 has 4 divisors (see below), whose sum is σ = 331160722800. Its totient is φ = 309083341224.

The previous prime is 320122031993. The next prime is 320122032023. The reversal of 320122032011 is 110230221023.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320122032011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320122032031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5519345351 + ... + 5519345408.

It is an arithmetic number, because the mean of its divisors is an integer number (82790180700).

Almost surely, 2^320122032011 is an apocalyptic number.

320122032011 is a deficient number, since it is larger than the sum of its proper divisors (11038690789).

320122032011 is a wasteful number, since it uses less digits than its factorization.

320122032011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11038690788.

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

Adding to 320122032011 its reverse (110230221023), we get a palindrome (430352253034).

The spelling of 320122032011 in words is "three hundred twenty billion, one hundred twenty-two million, thirty-two thousand, eleven".