1112122220000 has 240 divisors, whose sum is σ = 3114497941632. Its totient is φ = 386823360000.

The previous prime is 1112122219993. The next prime is 1112122220039. The reversal of 1112122220000 is 222212111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4950107 + ... + 5169893.

Almost surely, 2^{1112122220000} is an apocalyptic number.

1112122220000 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 1112122220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1557248970816).

1112122220000 is an abundant number, since it is smaller than the sum of its proper divisors (2002375721632).

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

1112122220000 is a wasteful number, since it uses less digits than its factorization.

1112122220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219851 (or 219828 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1112122220000 its reverse (222212111), we get a palindrome (1112344432111).

The spelling of 1112122220000 in words is "one trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twenty thousand".