320001121011 has 16 divisors (see below), whose sum is σ = 501260497920. Its totient is φ = 179021605920.

The previous prime is 320001121007. The next prime is 320001121043. The reversal of 320001121011 is 110121100023.

It is not a de Polignac number, because 320001121011 - 2² = 320001121007 is a prime.

It is a super-3 number, since 3×320001121011³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (320001121711) 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 15 ways as a sum of consecutive naturals, for example, 372961251 + ... + 372962108.

It is an arithmetic number, because the mean of its divisors is an integer number (31328781120).

Almost surely, 2^320001121011 is an apocalyptic number.

320001121011 is a deficient number, since it is larger than the sum of its proper divisors (181259376909).

320001121011 is a wasteful number, since it uses less digits than its factorization.

320001121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745923386.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 320001121011 its reverse (110121100023), we get a palindrome (430122221034).

The spelling of 320001121011 in words is "three hundred twenty billion, one million, one hundred twenty-one thousand, eleven".