2123322220332 has 168 divisors, whose sum is σ = 5906326188672. Its totient is φ = 666429638400.

The previous prime is 2123322220319. The next prime is 2123322220337. The reversal of 2123322220332 is 2330222233212.

2123322220332 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 322 + 2 + 2 + 0 + 332 = 666.

It is a super-2 number, since 2×2123322220332² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2123322220296 and 2123322220305.

It is not an unprimeable number, because it can be changed into a prime (2123322220337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3027232 + ... + 3662072.

It is an arithmetic number, because the mean of its divisors is an integer number (35156703504).

Almost surely, 2^{2123322220332} 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 2123322220332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2953163094336).

2123322220332 is an abundant number, since it is smaller than the sum of its proper divisors (3783003968340).

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

2123322220332 is a wasteful number, since it uses less digits than its factorization.

2123322220332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634931 (or 634914 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 2123322220332 its reverse (2330222233212), we get a palindrome (4453544453544).

The spelling of 2123322220332 in words is "two trillion, one hundred twenty-three billion, three hundred twenty-two million, two hundred twenty thousand, three hundred thirty-two".