2120222200220 has 12 divisors (see below), whose sum is σ = 4452466620504. Its totient is φ = 848088880080.

The previous prime is 2120222200211. The next prime is 2120222200301. The reversal of 2120222200220 is 220022220212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53005554986 + ... + 53005555025.

It is an arithmetic number, because the mean of its divisors is an integer number (371038885042).

Almost surely, 2^{2120222200220} is an apocalyptic number.

2120222200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120222200220 is an abundant number, since it is smaller than the sum of its proper divisors (2332244420284).

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

2120222200220 is a wasteful number, since it uses less digits than its factorization.

2120222200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106011110020 (or 106011110018 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2120222200220 its reverse (220022220212), we get a palindrome (2340244420432).

The spelling of 2120222200220 in words is "two trillion, one hundred twenty billion, two hundred twenty-two million, two hundred thousand, two hundred twenty".