1120021011200 has 432 divisors, whose sum is σ = 3445282154496. Its totient is φ = 351007948800.

The previous prime is 1120021011157. The next prime is 1120021011227. The reversal of 1120021011200 is 21101200211.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59977865 + ... + 59996535.

Almost surely, 2^{1120021011200} is an apocalyptic number.

1120021011200 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 1120021011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1722641077248).

1120021011200 is an abundant number, since it is smaller than the sum of its proper divisors (2325261143296).

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

1120021011200 is a wasteful number, since it uses less digits than its factorization.

1120021011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18820 (or 18801 counting only the distinct ones).

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

Adding to 1120021011200 its reverse (21101200211), we get a palindrome (1141122211411).

The spelling of 1120021011200 in words is "one trillion, one hundred twenty billion, twenty-one million, eleven thousand, two hundred".