11320120221300 has 288 divisors, whose sum is σ = 39707404813440. Its totient is φ = 2743791667200.

The previous prime is 11320120221281. The next prime is 11320120221307. The reversal of 11320120221300 is 312202102311.

11320120221300 is a `hidden beast` number, since 1 + 1 + 3 + 20 + 120 + 221 + 300 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320120221307) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 187584732 + ... + 187645068.

It is an arithmetic number, because the mean of its divisors is an integer number (137872933380).

Almost surely, 2^{11320120221300} is an apocalyptic number.

11320120221300 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 11320120221300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19853702406720).

11320120221300 is an abundant number, since it is smaller than the sum of its proper divisors (28387284592140).

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

11320120221300 is a wasteful number, since it uses less digits than its factorization.

11320120221300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66688 (or 66675 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11320120221300 its reverse (312202102311), we get a palindrome (11632322323611).

The spelling of 11320120221300 in words is "eleven trillion, three hundred twenty billion, one hundred twenty million, two hundred twenty-one thousand, three hundred".