2112102210020 has 48 divisors (see below), whose sum is σ = 4840075489536. Its totient is φ = 767808384000.

The previous prime is 2112102210019. The next prime is 2112102210059. The reversal of 2112102210020 is 200122012112.

It is a junction number, because it is equal to n+sod(n) for n = 2112102209977 and 2112102210004.

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, 688796 + ... + 2167635.

It is an arithmetic number, because the mean of its divisors is an integer number (100834906032).

Almost surely, 2^{2112102210020} is an apocalyptic number.

2112102210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112102210020 is an abundant number, since it is smaller than the sum of its proper divisors (2727973279516).

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

2112102210020 is a wasteful number, since it uses less digits than its factorization.

2112102210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859812 (or 2859810 counting only the distinct ones).

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

Adding to 2112102210020 its reverse (200122012112), we get a palindrome (2312224222132).

The spelling of 2112102210020 in words is "two trillion, one hundred twelve billion, one hundred two million, two hundred ten thousand, twenty".