2122100202220 has 24 divisors (see below), whose sum is σ = 4718552215104. Its totient is φ = 798908311296.

The previous prime is 2122100202193. The next prime is 2122100202239. The reversal of 2122100202220 is 222020012212.

It is a junction number, because it is equal to n+sod(n) for n = 2122100202194 and 2122100202203.

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 7 ways as a sum of consecutive naturals, for example, 3120735252 + ... + 3120735931.

It is an arithmetic number, because the mean of its divisors is an integer number (196606342296).

Almost surely, 2^{2122100202220} is an apocalyptic number.

2122100202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122100202220 is an abundant number, since it is smaller than the sum of its proper divisors (2596452012884).

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

2122100202220 is a wasteful number, since it uses less digits than its factorization.

2122100202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6241471209 (or 6241471207 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2122100202220 its reverse (222020012212), we get a palindrome (2344120214432).

The spelling of 2122100202220 in words is "two trillion, one hundred twenty-two billion, one hundred million, two hundred two thousand, two hundred twenty".