1322021334421 has 4 divisors (see below), whose sum is σ = 1322048646144. Its totient is φ = 1321994022700.

The previous prime is 1322021334391. The next prime is 1322021334437. The reversal of 1322021334421 is 1244331202231.

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 1322021334421 - 2²⁵ = 1321987779989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1322021334421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322021337421) 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 3 ways as a sum of consecutive naturals, for example, 13583125 + ... + 13680106.

It is an arithmetic number, because the mean of its divisors is an integer number (330512161536).

Almost surely, 2^{1322021334421} is an apocalyptic number.

It is an amenable number.

1322021334421 is a deficient number, since it is larger than the sum of its proper divisors (27311723).

1322021334421 is an equidigital number, since it uses as much as digits as its factorization.

1322021334421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27311722.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1322021334421 its reverse (1244331202231), we get a palindrome (2566352536652).

The spelling of 1322021334421 in words is "one trillion, three hundred twenty-two billion, twenty-one million, three hundred thirty-four thousand, four hundred twenty-one".