332221231321321 has 4 divisors (see below), whose sum is σ = 342938045234944. Its totient is φ = 321504417407700.

The previous prime is 332221231321313. The next prime is 332221231321409. The reversal of 332221231321321 is 123123132122233.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 332221231321321 - 2³ = 332221231321313 is a prime.

It is a super-2 number, since 2×332221231321321² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 10716813913591 = 332221231321321 / (3 + 3 + 2 + 2 + 2 + 1 + 2 + 3 + 1 + 3 + 2 + 1 + 3 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (332221231361321) 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, 5358406956765 + ... + 5358406956826.

It is an arithmetic number, because the mean of its divisors is an integer number (85734511308736).

Almost surely, 2^{332221231321321} is an apocalyptic number.

332221231321321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

332221231321321 is a deficient number, since it is larger than the sum of its proper divisors (10716813913623).

332221231321321 is a wasteful number, since it uses less digits than its factorization.

332221231321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10716813913622.

The product of its digits is 15552, while the sum is 31.

Adding to 332221231321321 its reverse (123123132122233), we get a palindrome (455344363443554).

The spelling of 332221231321321 in words is "three hundred thirty-two trillion, two hundred twenty-one billion, two hundred thirty-one million, three hundred twenty-one thousand, three hundred twenty-one".