1111322112000 has 416 divisors, whose sum is σ = 3761013634560. Its totient is φ = 291305881600.

The previous prime is 1111322111983. The next prime is 1111322112029. The reversal of 1111322112000 is 2112231111.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90617869 + ... + 90630131.

It is an arithmetic number, because the mean of its divisors is an integer number (9040898160).

Almost surely, 2^{1111322112000} is an apocalyptic number.

1111322112000 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 1111322112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1880506817280).

1111322112000 is an abundant number, since it is smaller than the sum of its proper divisors (2649691522560).

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

1111322112000 is an equidigital number, since it uses as much as digits as its factorization.

1111322112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12364 (or 12332 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1111322112000 its reverse (2112231111), we get a palindrome (1113434343111).

The spelling of 1111322112000 in words is "one trillion, one hundred eleven billion, three hundred twenty-two million, one hundred twelve thousand".