1321343021022 has 32 divisors (see below), whose sum is σ = 2704576573440. Its totient is φ = 430251835200.

The previous prime is 1321343020973. The next prime is 1321343021077. The reversal of 1321343021022 is 2201203431231.

It is a junction number, because it is equal to n+sod(n) for n = 1321343020983 and 1321343021001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14861854 + ... + 14950497.

It is an arithmetic number, because the mean of its divisors is an integer number (84518017920).

Almost surely, 2^{1321343021022} is an apocalyptic number.

1321343021022 is an abundant number, since it is smaller than the sum of its proper divisors (1383233552418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321343021022 is a wasteful number, since it uses less digits than its factorization.

1321343021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29812528.

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

Adding to 1321343021022 its reverse (2201203431231), we get a palindrome (3522546452253).

The spelling of 1321343021022 in words is "one trillion, three hundred twenty-one billion, three hundred forty-three million, twenty-one thousand, twenty-two".