1110111112000 has 168 divisors, whose sum is σ = 3021839762760. Its totient is φ = 403676416000.

The previous prime is 1110111111979. The next prime is 1110111112037. The reversal of 1110111112000 is 2111110111.

It can be written as a sum of positive squares in 4 ways, for example, as 100697059584 + 1009414052416 = 317328^2 + 1004696^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394596 + ... + 1541404.

It is an arithmetic number, because the mean of its divisors is an integer number (17987141445).

Almost surely, 2^{1110111112000} is an apocalyptic number.

1110111112000 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 1110111112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1510919881380).

1110111112000 is an abundant number, since it is smaller than the sum of its proper divisors (1911728650760).

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

1110111112000 is a wasteful number, since it uses less digits than its factorization.

1110111112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146858 (or 1146827 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1110111112000 its reverse (2111110111), we get a palindrome (1112222222111).

The spelling of 1110111112000 in words is "one trillion, one hundred ten billion, one hundred eleven million, one hundred twelve thousand".