1112221110000 has 2700 divisors, whose sum is σ = 5105448527256. Its totient is φ = 207567360000.

The previous prime is 1112221109977. The next prime is 1112221110053. The reversal of 1112221110000 is 111222111.

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

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 539 ways as a sum of consecutive naturals, for example, 30060029982 + ... + 30060030018.

Almost surely, 2^{1112221110000} is an apocalyptic number.

1112221110000 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 1112221110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2552724263628).

1112221110000 is an abundant number, since it is smaller than the sum of its proper divisors (3993227417256).

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

1112221110000 is a wasteful number, since it uses less digits than its factorization.

1112221110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1112221110000 its reverse (111222111), we get a palindrome (1112332332111).

1112221110000 divided by its reverse (111222111) gives a 4-th power (10000 = 10⁴).

It can be divided in two parts, 1112221 and 110000, that added together give a palindrome (1222221).

The spelling of 1112221110000 in words is "one trillion, one hundred twelve billion, two hundred twenty-one million, one hundred ten thousand".