11111233221300 has 144 divisors (see below), whose sum is σ = 32271986335680. Its totient is φ = 2951627274240.

The previous prime is 11111233221239. The next prime is 11111233221371. The reversal of 11111233221300 is 312233211111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141564667 + ... + 141643133.

It is an arithmetic number, because the mean of its divisors is an integer number (224111016220).

Almost surely, 2^{11111233221300} is an apocalyptic number.

11111233221300 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 11111233221300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16135993167840).

11111233221300 is an abundant number, since it is smaller than the sum of its proper divisors (21160753114380).

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

11111233221300 is a wasteful number, since it uses less digits than its factorization.

11111233221300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80290 (or 80283 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 11111233221300 its reverse (312233211111), we get a palindrome (11423466432411).

The spelling of 11111233221300 in words is "eleven trillion, one hundred eleven billion, two hundred thirty-three million, two hundred twenty-one thousand, three hundred".