1110111111000 has 384 divisors, whose sum is σ = 3862987128000. Its totient is φ = 287326310400.

The previous prime is 1110111110987. The next prime is 1110111111023. The reversal of 1110111111000 is 1111110111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 144185151 + ... + 144192849.

Almost surely, 2^{1110111111000} is an apocalyptic number.

1110111111000 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 1110111111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1931493564000).

1110111111000 is an abundant number, since it is smaller than the sum of its proper divisors (2752876017000).

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

1110111111000 is a wasteful number, since it uses less digits than its factorization.

1110111111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8196 (or 8179 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 1110111111000 its reverse (1111110111), we get a palindrome (1111222221111).

The spelling of 1110111111000 in words is "one trillion, one hundred ten billion, one hundred eleven million, one hundred eleven thousand".