320000213201121 has 6 divisors (see below), whose sum is σ = 462222530179410. Its totient is φ = 213333475467408.

The previous prime is 320000213201093. The next prime is 320000213201159. The reversal of 320000213201121 is 121102312000023.

320000213201121 is a `hidden beast` number, since 3 + 200 + 0 + 0 + 21 + 320 + 1 + 121 = 666.

It can be written as a sum of positive squares in only one way, i.e., 308826496371600 + 11173716829521 = 17573460^2 + 3342711^2 .

It is not a de Polignac number, because 320000213201121 - 2⁵ = 320000213201089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320000213201094 and 320000213201103.

It is not an unprimeable number, because it can be changed into a prime (320000213201161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17777789622276 + ... + 17777789622293.

It is an arithmetic number, because the mean of its divisors is an integer number (77037088363235).

Almost surely, 2^{320000213201121} is an apocalyptic number.

It is an amenable number.

320000213201121 is a deficient number, since it is larger than the sum of its proper divisors (142222316978289).

320000213201121 is a wasteful number, since it uses less digits than its factorization.

320000213201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35555579244575 (or 35555579244572 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 320000213201121 its reverse (121102312000023), we get a palindrome (441102525201144).

The spelling of 320000213201121 in words is "three hundred twenty trillion, two hundred thirteen million, two hundred one thousand, one hundred twenty-one".