320142011121 has 16 divisors (see below), whose sum is σ = 476741901120. Its totient is φ = 212322159360.

The previous prime is 320142011117. The next prime is 320142011141. The reversal of 320142011121 is 121110241023.

It is not a de Polignac number, because 320142011121 - 2² = 320142011117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320142011094 and 320142011103.

It is not an unprimeable number, because it can be changed into a prime (320142011141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30712695 + ... + 30723116.

It is an arithmetic number, because the mean of its divisors is an integer number (29796368820).

Almost surely, 2^320142011121 is an apocalyptic number.

It is an amenable number.

320142011121 is a deficient number, since it is larger than the sum of its proper divisors (156599889999).

320142011121 is a wasteful number, since it uses less digits than its factorization.

320142011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61436013 (or 61436007 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 320142011121 its reverse (121110241023), we get a palindrome (441252252144).

The spelling of 320142011121 in words is "three hundred twenty billion, one hundred forty-two million, eleven thousand, one hundred twenty-one".