331210332122121 has 6 divisors (see below), whose sum is σ = 478414924176410. Its totient is φ = 220806888081408.

The previous prime is 331210332122083. The next prime is 331210332122179. The reversal of 331210332122121 is 121221233012133.

331210332122121 is a `hidden beast` number, since 3 + 3 + 1 + 210 + 3 + 321 + 2 + 2 + 121 = 666.

It can be written as a sum of positive squares in only one way, i.e., 188885551422096 + 142324780700025 = 13743564^2 + 11929995^2 .

It is not a de Polignac number, because 331210332122121 - 2¹³ = 331210332113929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331210332162121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18400574006776 + ... + 18400574006793.

Almost surely, 2^{331210332122121} is an apocalyptic number.

It is an amenable number.

331210332122121 is a deficient number, since it is larger than the sum of its proper divisors (147204592054289).

331210332122121 is a wasteful number, since it uses less digits than its factorization.

331210332122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36801148013575 (or 36801148013572 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 331210332122121 its reverse (121221233012133), we get a palindrome (452431565134254).

The spelling of 331210332122121 in words is "three hundred thirty-one trillion, two hundred ten billion, three hundred thirty-two million, one hundred twenty-two thousand, one hundred twenty-one".