211022120202222 has 192 divisors, whose sum is σ = 517359608184384. Its totient is φ = 57138289367040.

The previous prime is 211022120202221. The next prime is 211022120202227. The reversal of 211022120202222 is 222202021220112.

It is a super-3 number, since 3×211022120202222³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211022120202221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 273010848 + ... + 273782700.

It is an arithmetic number, because the mean of its divisors is an integer number (2694581292627).

Almost surely, 2^{211022120202222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211022120202222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258679804092192).

211022120202222 is an abundant number, since it is smaller than the sum of its proper divisors (306337487982162).

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

211022120202222 is a wasteful number, since it uses less digits than its factorization.

211022120202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772563 (or 772556 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 211022120202222 its reverse (222202021220112), we get a palindrome (433224141422334).

The spelling of 211022120202222 in words is "two hundred eleven trillion, twenty-two billion, one hundred twenty million, two hundred two thousand, two hundred twenty-two".