1321433021022 has 32 divisors (see below), whose sum is σ = 2647472256000. Its totient is φ = 439710566208.

The previous prime is 1321433020979. The next prime is 1321433021143. The reversal of 1321433021022 is 2201203341231.

It is a junction number, because it is equal to n+sod(n) for n = 1321433020983 and 1321433021001.

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, 8971729 + ... + 9117827.

It is an arithmetic number, because the mean of its divisors is an integer number (82733508000).

Almost surely, 2^{1321433021022} is an apocalyptic number.

1321433021022 is an abundant number, since it is smaller than the sum of its proper divisors (1326039234978).

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

1321433021022 is a wasteful number, since it uses less digits than its factorization.

1321433021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148720.

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

Adding to 1321433021022 its reverse (2201203341231), we get a palindrome (3522636362253).

The spelling of 1321433021022 in words is "one trillion, three hundred twenty-one billion, four hundred thirty-three million, twenty-one thousand, twenty-two".