2112000021020 has 48 divisors (see below), whose sum is σ = 4535084792448. Its totient is φ = 825818142720.

The previous prime is 2112000020989. The next prime is 2112000021031. The reversal of 2112000021020 is 201200002112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2112000020992 and 2112000021010.

It is a congruent number.

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, 596597 + ... + 2140076.

It is an arithmetic number, because the mean of its divisors is an integer number (94480933176).

Almost surely, 2^{2112000021020} is an apocalyptic number.

2112000021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112000021020 is an abundant number, since it is smaller than the sum of its proper divisors (2423084771428).

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

2112000021020 is a wasteful number, since it uses less digits than its factorization.

2112000021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737550 (or 2737548 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2112000021020 its reverse (201200002112), we get a palindrome (2313200023132).

The spelling of 2112000021020 in words is "two trillion, one hundred twelve billion, twenty-one thousand, twenty".