2122011022220 has 96 divisors (see below), whose sum is σ = 4648167659520. Its totient is φ = 813135214080.

The previous prime is 2122011022207. The next prime is 2122011022253. The reversal of 2122011022220 is 222201102212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11143205 + ... + 11332035.

It is an arithmetic number, because the mean of its divisors is an integer number (48418413120).

Almost surely, 2^{2122011022220} is an apocalyptic number.

2122011022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122011022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2324083829760).

2122011022220 is an abundant number, since it is smaller than the sum of its proper divisors (2526156637300).

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

2122011022220 is a wasteful number, since it uses less digits than its factorization.

2122011022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189135 (or 189133 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2122011022220 its reverse (222201102212), we get a palindrome (2344212124432).

The spelling of 2122011022220 in words is "two trillion, one hundred twenty-two billion, eleven million, twenty-two thousand, two hundred twenty".