1322131110221 has 8 divisors (see below), whose sum is σ = 1322991930240. Its totient is φ = 1321270502512.

The previous prime is 1322131110121. The next prime is 1322131110253. The reversal of 1322131110221 is 1220111312231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322131110221 is a prime.

It is a super-3 number, since 3×1322131110221³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322131110193 and 1322131110202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322131110121) 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 7 ways as a sum of consecutive naturals, for example, 13516736 + ... + 13614198.

It is an arithmetic number, because the mean of its divisors is an integer number (165373991280).

Almost surely, 2^{1322131110221} is an apocalyptic number.

It is an amenable number.

1322131110221 is a deficient number, since it is larger than the sum of its proper divisors (860820019).

1322131110221 is an equidigital number, since it uses as much as digits as its factorization.

1322131110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106155.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1322131110221 its reverse (1220111312231), we get a palindrome (2542242422452).

The spelling of 1322131110221 in words is "one trillion, three hundred twenty-two billion, one hundred thirty-one million, one hundred ten thousand, two hundred twenty-one".