2122010022220 has 96 divisors (see below), whose sum is σ = 4918213230336. Its totient is φ = 762638496000.

The previous prime is 2122010022179. The next prime is 2122010022329. The reversal of 2122010022220 is 222200102212.

It is a junction number, because it is equal to n+sod(n) for n = 2122010022194 and 2122010022203.

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, 12425047 + ... + 12594673.

It is an arithmetic number, because the mean of its divisors is an integer number (51231387816).

Almost surely, 2^{2122010022220} is an apocalyptic number.

2122010022220 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 2122010022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2459106615168).

2122010022220 is an abundant number, since it is smaller than the sum of its proper divisors (2796203208116).

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

2122010022220 is a wasteful number, since it uses less digits than its factorization.

2122010022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170311 (or 170309 counting only the distinct ones).

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

Adding to 2122010022220 its reverse (222200102212), we get a palindrome (2344210124432).

The spelling of 2122010022220 in words is "two trillion, one hundred twenty-two billion, ten million, twenty-two thousand, two hundred twenty".