1322212330221 has 16 divisors (see below), whose sum is σ = 1796965361280. Its totient is φ = 864481026240.

The previous prime is 1322212330207. The next prime is 1322212330253. The reversal of 1322212330221 is 1220332122231.

It is not a de Polignac number, because 1322212330221 - 2⁷ = 1322212330093 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1322212330191 and 1322212330200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322212337221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1360585 + ... + 2120286.

It is an arithmetic number, because the mean of its divisors is an integer number (112310335080).

Almost surely, 2^{1322212330221} is an apocalyptic number.

It is an amenable number.

1322212330221 is a deficient number, since it is larger than the sum of its proper divisors (474753031059).

1322212330221 is a wasteful number, since it uses less digits than its factorization.

1322212330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483316.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1322212330221 its reverse (1220332122231), we get a palindrome (2542544452452).

The spelling of 1322212330221 in words is "one trillion, three hundred twenty-two billion, two hundred twelve million, three hundred thirty thousand, two hundred twenty-one".