2112001122020 has 48 divisors (see below), whose sum is σ = 4629078720000. Its totient is φ = 807888149376.

The previous prime is 2112001122019. The next prime is 2112001122083. The reversal of 2112001122020 is 202211002112.

It is a junction number, because it is equal to n+sod(n) for n = 2112001121986 and 2112001122004.

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, 1538606 + ... + 2567354.

It is an arithmetic number, because the mean of its divisors is an integer number (96439140000).

Almost surely, 2^{2112001122020} is an apocalyptic number.

2112001122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112001122020 is an abundant number, since it is smaller than the sum of its proper divisors (2517077597980).

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

2112001122020 is a wasteful number, since it uses less digits than its factorization.

2112001122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033244 (or 1033242 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2112001122020 its reverse (202211002112), we get a palindrome (2314212124132).

The spelling of 2112001122020 in words is "two trillion, one hundred twelve billion, one million, one hundred twenty-two thousand, twenty".