2112022101020 has 48 divisors (see below), whose sum is σ = 4778069663808. Its totient is φ = 779554083840.

The previous prime is 2112022100989. The next prime is 2112022101097. The reversal of 2112022101020 is 201012202112.

It is a junction number, because it is equal to n+sod(n) for n = 2112022100986 and 2112022101004.

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, 648776 + ... + 2155215.

It is an arithmetic number, because the mean of its divisors is an integer number (99543117996).

Almost surely, 2^{2112022101020} is an apocalyptic number.

2112022101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112022101020 is an abundant number, since it is smaller than the sum of its proper divisors (2666047562788).

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

2112022101020 is a wasteful number, since it uses less digits than its factorization.

2112022101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806910 (or 2806908 counting only the distinct ones).

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

Adding to 2112022101020 its reverse (201012202112), we get a palindrome (2313034303132).

The spelling of 2112022101020 in words is "two trillion, one hundred twelve billion, twenty-two million, one hundred one thousand, twenty".