1321331305022 has 16 divisors (see below), whose sum is σ = 1984075307280. Its totient is φ = 659972974272.

The previous prime is 1321331305013. The next prime is 1321331305033. The reversal of 1321331305022 is 2205031331231.

It is a super-2 number, since 2×1321331305022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1321331304982 and 1321331305000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43294304 + ... + 43324812.

It is an arithmetic number, because the mean of its divisors is an integer number (124004706705).

Almost surely, 2^{1321331305022} is an apocalyptic number.

1321331305022 is a deficient number, since it is larger than the sum of its proper divisors (662744002258).

1321331305022 is a wasteful number, since it uses less digits than its factorization.

1321331305022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52507.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 1321331305022 its reverse (2205031331231), we get a palindrome (3526362636253).

The spelling of 1321331305022 in words is "one trillion, three hundred twenty-one billion, three hundred thirty-one million, three hundred five thousand, twenty-two".