1112111020000 has 120 divisors (see below), whose sum is σ = 2747918665800. Its totient is φ = 442900032000.

The previous prime is 1112111019997. The next prime is 1112111020019. The reversal of 1112111020000 is 201112111.

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 19 ways as a sum of consecutive naturals, for example, 4458591 + ... + 4701409.

It is an arithmetic number, because the mean of its divisors is an integer number (22899322215).

Almost surely, 2^{1112111020000} is an apocalyptic number.

1112111020000 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 1112111020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1373959332900).

1112111020000 is an abundant number, since it is smaller than the sum of its proper divisors (1635807645800).

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

1112111020000 is an equidigital number, since it uses as much as digits as its factorization.

1112111020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243078 (or 243055 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1112111020000 its reverse (201112111), we get a palindrome (1112312132111).

The spelling of 1112111020000 in words is "one trillion, one hundred twelve billion, one hundred eleven million, twenty thousand".