1120021112000 has 112 divisors (see below), whose sum is σ = 3169979911488. Its totient is φ = 384007219200.

The previous prime is 1120021111999. The next prime is 1120021112003. The reversal of 1120021112000 is 2111200211.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (1120021112003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9944189 + ... + 10056188.

Almost surely, 2^{1120021112000} is an apocalyptic number.

1120021112000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120021112000 is an abundant number, since it is smaller than the sum of its proper divisors (2049958799488).

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

1120021112000 is an equidigital number, since it uses as much as digits as its factorization.

1120021112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20000411 (or 20000391 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1120021112000 its reverse (2111200211), we get a palindrome (1122132312211).

The spelling of 1120021112000 in words is "one trillion, one hundred twenty billion, twenty-one million, one hundred twelve thousand".