320121133311202 has 16 divisors (see below), whose sum is σ = 485972099566200. Its totient is φ = 158133360119680.

The previous prime is 320121133311181. The next prime is 320121133311209. The reversal of 320121133311202 is 202113331121023.

It can be written as a sum of positive squares in 4 ways, for example, as 320024585771361 + 96547539841 = 17889231^2 + 310721^2 .

It is not an unprimeable number, because it can be changed into a prime (320121133311209) 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, 731446549 + ... + 731884072.

Almost surely, 2^{320121133311202} is an apocalyptic number.

320121133311202 is a deficient number, since it is larger than the sum of its proper divisors (165850966254998).

320121133311202 is a wasteful number, since it uses less digits than its factorization.

320121133311202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463331941.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 320121133311202 its reverse (202113331121023), we get a palindrome (522234464432225).

The spelling of 320121133311202 in words is "three hundred twenty trillion, one hundred twenty-one billion, one hundred thirty-three million, three hundred eleven thousand, two hundred two".