331121212231122 has 12 divisors (see below), whose sum is σ = 717429293167470. Its totient is φ = 110373737410368.

The previous prime is 331121212231081. The next prime is 331121212231123. The reversal of 331121212231122 is 221132212121133.

331121212231122 is a `hidden beast` number, since 3 + 3 + 11 + 212 + 122 + 311 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 243332201593881 + 87789010637241 = 15599109^2 + 9369579^2 .

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (331121212231123) 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, 9197811450847 + ... + 9197811450882.

Almost surely, 2^{331121212231122} is an apocalyptic number.

331121212231122 is an abundant number, since it is smaller than the sum of its proper divisors (386308080936348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331121212231122 is a wasteful number, since it uses less digits than its factorization.

331121212231122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18395622901737 (or 18395622901734 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

Adding to 331121212231122 its reverse (221132212121133), we get a palindrome (552253424352255).

The spelling of 331121212231122 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, two hundred twelve million, two hundred thirty-one thousand, one hundred twenty-two".