1112021120120 has 32 divisors (see below), whose sum is σ = 2502425102400. Its totient is φ = 444741322368.

The previous prime is 1112021120107. The next prime is 1112021120137. The reversal of 1112021120120 is 210211202111.

It is a junction number, because it is equal to n+sod(n) for n = 1112021120095 and 1112021120104.

It is a congruent number.

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, 1828880 + ... + 2359839.

It is an arithmetic number, because the mean of its divisors is an integer number (78200784450).

Almost surely, 2^{1112021120120} is an apocalyptic number.

1112021120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112021120120 is an abundant number, since it is smaller than the sum of its proper divisors (1390403982280).

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

1112021120120 is a wasteful number, since it uses less digits than its factorization.

1112021120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4195367 (or 4195363 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1112021120120 its reverse (210211202111), we get a palindrome (1322232322231).

The spelling of 1112021120120 in words is "one trillion, one hundred twelve billion, twenty-one million, one hundred twenty thousand, one hundred twenty".