11321222021232 has 40 divisors (see below), whose sum is σ = 29282113332240. Its totient is φ = 3769144143360.

The previous prime is 11321222021227. The next prime is 11321222021273. The reversal of 11321222021232 is 23212022212311.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 143601757 + ... + 143680572.

It is an arithmetic number, because the mean of its divisors is an integer number (732052833306).

Almost surely, 2^{11321222021232} is an apocalyptic number.

11321222021232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11321222021232 is an abundant number, since it is smaller than the sum of its proper divisors (17960891311008).

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

11321222021232 is a wasteful number, since it uses less digits than its factorization.

11321222021232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287283161 (or 287283155 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 11321222021232 its reverse (23212022212311), we get a palindrome (34533244233543).

The spelling of 11321222021232 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-two million, twenty-one thousand, two hundred thirty-two".