211222322122332 has 96 divisors (see below), whose sum is σ = 522312528890880. Its totient is φ = 66250028770560.

The previous prime is 211222322122321. The next prime is 211222322122333. The reversal of 211222322122332 is 233221223222112.

It is a super-2 number, since 2×211222322122332² (a number of 29 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 211222322122332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222322122333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29679613 + ... + 36101579.

It is an arithmetic number, because the mean of its divisors is an integer number (5440755509280).

Almost surely, 2^{211222322122332} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211222322122332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261156264445440).

211222322122332 is an abundant number, since it is smaller than the sum of its proper divisors (311090206768548).

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

211222322122332 is a wasteful number, since it uses less digits than its factorization.

211222322122332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6422971 (or 6422969 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

Adding to 211222322122332 its reverse (233221223222112), we get a palindrome (444443545344444).

The spelling of 211222322122332 in words is "two hundred eleven trillion, two hundred twenty-two billion, three hundred twenty-two million, one hundred twenty-two thousand, three hundred thirty-two".