11321222021022 has 32 divisors (see below), whose sum is σ = 22961929987584. Its totient is φ = 3720495693600.

The previous prime is 11321222020949. The next prime is 11321222021029. The reversal of 11321222021022 is 22012022212311.

It is a self number, because there is not a number n which added to its sum of digits gives 11321222021022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321222021029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17745108 + ... + 18372024.

It is an arithmetic number, because the mean of its divisors is an integer number (717560312112).

Almost surely, 2^{11321222021022} is an apocalyptic number.

11321222021022 is an abundant number, since it is smaller than the sum of its proper divisors (11640707966562).

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

11321222021022 is a wasteful number, since it uses less digits than its factorization.

11321222021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669384.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11321222021022 its reverse (22012022212311), we get a palindrome (33333244233333).

The spelling of 11321222021022 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-two million, twenty-one thousand, twenty-two".