2112100121120 has 96 divisors (see below), whose sum is σ = 5444286353856. Its totient is φ = 767919539200.

The previous prime is 2112100121119. The next prime is 2112100121179. The reversal of 2112100121120 is 211210012112.

It is a junction number, because it is equal to n+sod(n) for n = 2112100121095 and 2112100121104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11927630 + ... + 12103410.

It is an arithmetic number, because the mean of its divisors is an integer number (56711316186).

Almost surely, 2^{2112100121120} is an apocalyptic number.

2112100121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112100121120 is an abundant number, since it is smaller than the sum of its proper divisors (3332186232736).

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

2112100121120 is a wasteful number, since it uses less digits than its factorization.

2112100121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182634 (or 182626 counting only the distinct ones).

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

Adding to 2112100121120 its reverse (211210012112), we get a palindrome (2323310133232).

The spelling of 2112100121120 in words is "two trillion, one hundred twelve billion, one hundred million, one hundred twenty-one thousand, one hundred twenty".