1112211200000 has 144 divisors (see below), whose sum is σ = 2779687244880. Its totient is φ = 444881920000.

The previous prime is 1112211199997. The next prime is 1112211200017. The reversal of 1112211200000 is 21122111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6313109 + ... + 6486891.

It is an arithmetic number, because the mean of its divisors is an integer number (19303383645).

Almost surely, 2^{1112211200000} is an apocalyptic number.

1112211200000 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 1112211200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1389843622440).

1112211200000 is an abundant number, since it is smaller than the sum of its proper divisors (1667476044880).

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

1112211200000 is an frugal number, since it uses more digits than its factorization.

1112211200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173830 (or 173790 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1112211200000 its reverse (21122111), we get a palindrome (1112232322111).

The spelling of 1112211200000 in words is "one trillion, one hundred twelve billion, two hundred eleven million, two hundred thousand".