1322121110321 has 16 divisors (see below), whose sum is σ = 1455238476288. Its totient is φ = 1191160185600.

The previous prime is 1322121110311. The next prime is 1322121110327. The reversal of 1322121110321 is 1230111212231.

It is not a de Polignac number, because 1322121110321 - 2¹⁰ = 1322121109297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322121110293 and 1322121110302.

It is not an unprimeable number, because it can be changed into a prime (1322121110327) 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, 12235751 + ... + 12343331.

It is an arithmetic number, because the mean of its divisors is an integer number (90952404768).

Almost surely, 2^{1322121110321} is an apocalyptic number.

1322121110321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1322121110321 is a deficient number, since it is larger than the sum of its proper divisors (133117365967).

1322121110321 is a wasteful number, since it uses less digits than its factorization.

1322121110321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117592.

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

Adding to 1322121110321 its reverse (1230111212231), we get a palindrome (2552232322552).

The spelling of 1322121110321 in words is "one trillion, three hundred twenty-two billion, one hundred twenty-one million, one hundred ten thousand, three hundred twenty-one".