11321222013312 has 32 divisors (see below), whose sum is σ = 30071995973880. Its totient is φ = 3773740670976.

The previous prime is 11321222013289. The next prime is 11321222013313. The reversal of 11321222013312 is 21331022212311.

It is a tau number, because it is divible by the number of its divisors (32).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321222013313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14741174113 + ... + 14741174880.

Almost surely, 2^{11321222013312} is an apocalyptic number.

11321222013312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11321222013312 is an abundant number, since it is smaller than the sum of its proper divisors (18750773960568).

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

11321222013312 is an equidigital number, since it uses as much as digits as its factorization.

11321222013312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29482349010 (or 29482348998 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 11321222013312 its reverse (21331022212311), we get a palindrome (32652244225623).

The spelling of 11321222013312 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-two million, thirteen thousand, three hundred twelve".