2112020100220 has 12 divisors (see below), whose sum is σ = 4435242210504. Its totient is φ = 844808040080.

The previous prime is 2112020100161. The next prime is 2112020100241. The reversal of 2112020100220 is 220010202112.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112020100220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52800502486 + ... + 52800502525.

It is an arithmetic number, because the mean of its divisors is an integer number (369603517542).

Almost surely, 2^{2112020100220} is an apocalyptic number.

2112020100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112020100220 is an abundant number, since it is smaller than the sum of its proper divisors (2323222110284).

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

2112020100220 is a wasteful number, since it uses less digits than its factorization.

2112020100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105601005020 (or 105601005018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2112020100220 its reverse (220010202112), we get a palindrome (2332030302332).

The spelling of 2112020100220 in words is "two trillion, one hundred twelve billion, twenty million, one hundred thousand, two hundred twenty".