1112000021120 has 64 divisors (see below), whose sum is σ = 2658615742440. Its totient is φ = 444759736320.

The previous prime is 1112000021117. The next prime is 1112000021137. The reversal of 1112000021120 is 211200002111.

It can be written as a sum of positive squares in 4 ways, for example, as 1104130202176 + 7869818944 = 1050776^2 + 88712^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7577240 + ... + 7722600.

Almost surely, 2^{1112000021120} is an apocalyptic number.

1112000021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112000021120 is an abundant number, since it is smaller than the sum of its proper divisors (1546615721320).

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

1112000021120 is a wasteful number, since it uses less digits than its factorization.

1112000021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157333 (or 157321 counting only the distinct ones).

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

Adding to 1112000021120 its reverse (211200002111), we get a palindrome (1323200023231).

The spelling of 1112000021120 in words is "one trillion, one hundred twelve billion, twenty-one thousand, one hundred twenty".