1111123200000 has 576 divisors, whose sum is σ = 4039970800320. Its totient is φ = 269312000000.

The previous prime is 1111123199957. The next prime is 1111123200043. The reversal of 1111123200000 is 23211111.

It is an interprime number because it is at equal distance from previous prime (1111123199957) and next prime (1111123200043).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 211197370 + ... + 211202630.

It is an arithmetic number, because the mean of its divisors is an integer number (7013838195).

Almost surely, 2^{1111123200000} is an apocalyptic number.

1111123200000 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 1111123200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2019985400160).

1111123200000 is an abundant number, since it is smaller than the sum of its proper divisors (2928847600320).

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

1111123200000 is an frugal number, since it uses more digits than its factorization.

1111123200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5322 (or 5282 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1111123200000 its reverse (23211111), we get a palindrome (1111146411111).

The spelling of 1111123200000 in words is "one trillion, one hundred eleven billion, one hundred twenty-three million, two hundred thousand".