11112222300000 has 288 divisors, whose sum is σ = 38044871472384. Its totient is φ = 2834420160000.

The previous prime is 11112222299999. The next prime is 11112222300013. The reversal of 11112222300000 is 322221111.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 6094767 + ... + 7705233.

It is an arithmetic number, because the mean of its divisors is an integer number (132100248168).

Almost surely, 2^{11112222300000} is an apocalyptic number.

11112222300000 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 11112222300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19022435736192).

11112222300000 is an abundant number, since it is smaller than the sum of its proper divisors (26932649172384).

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

11112222300000 is an equidigital number, since it uses as much as digits as its factorization.

11112222300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610528 (or 1610500 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11112222300000 its reverse (322221111), we get a palindrome (11112544521111).

The spelling of 11112222300000 in words is "eleven trillion, one hundred twelve billion, two hundred twenty-two million, three hundred thousand".