1322221330321 has 16 divisors (see below), whose sum is σ = 1463007775104. Its totient is φ = 1188594313984.

The previous prime is 1322221330319. The next prime is 1322221330379. The reversal of 1322221330321 is 1230331222231.

It is a cyclic number.

It is not a de Polignac number, because 1322221330321 - 2¹ = 1322221330319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322221336321) 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, 2208526 + ... + 2742631.

It is an arithmetic number, because the mean of its divisors is an integer number (91437985944).

Almost surely, 2^{1322221330321} is an apocalyptic number.

It is an amenable number.

1322221330321 is a deficient number, since it is larger than the sum of its proper divisors (140786444783).

1322221330321 is a wasteful number, since it uses less digits than its factorization.

1322221330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4951880.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1322221330321 its reverse (1230331222231), we get a palindrome (2552552552552).

The spelling of 1322221330321 in words is "one trillion, three hundred twenty-two billion, two hundred twenty-one million, three hundred thirty thousand, three hundred twenty-one".