332121130321 has 4 divisors (see below), whose sum is σ = 332423885412. Its totient is φ = 331818375232.

The previous prime is 332121130267. The next prime is 332121130337. The reversal of 332121130321 is 123031121233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 243576796225 + 88544334096 = 493535^2 + 297564^2 .

It is a cyclic number.

It is not a de Polignac number, because 332121130321 - 2²³ = 332112741713 is a prime.

It is a super-2 number, since 2×332121130321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 332121130292 and 332121130301.

It is not an unprimeable number, because it can be changed into a prime (332121130351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151375900 + ... + 151378093.

It is an arithmetic number, because the mean of its divisors is an integer number (83105971353).

Almost surely, 2^332121130321 is an apocalyptic number.

It is an amenable number.

332121130321 is a deficient number, since it is larger than the sum of its proper divisors (302755091).

332121130321 is a wasteful number, since it uses less digits than its factorization.

332121130321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302755090.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 332121130321 its reverse (123031121233), we get a palindrome (455152251554).

The spelling of 332121130321 in words is "three hundred thirty-two billion, one hundred twenty-one million, one hundred thirty thousand, three hundred twenty-one".