320202103121 has 8 divisors (see below), whose sum is σ = 322149214464. Its totient is φ = 318255346080.

The previous prime is 320202103097. The next prime is 320202103159. The reversal of 320202103121 is 121301202023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320202103121 is a prime.

It is a super-2 number, since 2×320202103121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320202103121.

It is not an unprimeable number, because it can be changed into a prime (320202103171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1853336 + ... + 2018726.

It is an arithmetic number, because the mean of its divisors is an integer number (40268651808).

Almost surely, 2^320202103121 is an apocalyptic number.

It is an amenable number.

320202103121 is a deficient number, since it is larger than the sum of its proper divisors (1947111343).

320202103121 is a wasteful number, since it uses less digits than its factorization.

320202103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177151.

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

Adding to 320202103121 its reverse (121301202023), we get a palindrome (441503305144).

The spelling of 320202103121 in words is "three hundred twenty billion, two hundred two million, one hundred three thousand, one hundred twenty-one".