321022111121340 has 96 divisors (see below), whose sum is σ = 908825502305280. Its totient is φ = 84658337519616.

The previous prime is 321022111121321. The next prime is 321022111121357. The reversal of 321022111121340 is 43121111220123.

It is a self number, because there is not a number n which added to its sum of digits gives 321022111121340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13582480 + ... + 28749399.

It is an arithmetic number, because the mean of its divisors is an integer number (9466932315680).

Almost surely, 2^{321022111121340} is an apocalyptic number.

321022111121340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321022111121340 is an abundant number, since it is smaller than the sum of its proper divisors (587803391183940).

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

321022111121340 is a wasteful number, since it uses less digits than its factorization.

321022111121340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42333291 (or 42333289 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 321022111121340 its reverse (43121111220123), we get a palindrome (364143222341463).

The spelling of 321022111121340 in words is "three hundred twenty-one trillion, twenty-two billion, one hundred eleven million, one hundred twenty-one thousand, three hundred forty".