12221113133300 has 72 divisors (see below), whose sum is σ = 27928173836640. Its totient is φ = 4629071894400.

The previous prime is 12221113133291. The next prime is 12221113133309. The reversal of 12221113133300 is 333131112221.

It is an interprime number because it is at equal distance from previous prime (12221113133291) and next prime (12221113133309).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221113133309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2771867 + ... + 5667933.

Almost surely, 2^{12221113133300} is an apocalyptic number.

12221113133300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12221113133300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13964086918320).

12221113133300 is an abundant number, since it is smaller than the sum of its proper divisors (15707060703340).

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

12221113133300 is a wasteful number, since it uses less digits than its factorization.

12221113133300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898321 (or 2898314 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12221113133300 its reverse (333131112221), we get a palindrome (12554244245521).

The spelling of 12221113133300 in words is "twelve trillion, two hundred twenty-one billion, one hundred thirteen million, one hundred thirty-three thousand, three hundred".