21232333122 has 256 divisors, whose sum is σ = 59473612800. Its totient is φ = 4874204160.

The previous prime is 21232333099. The next prime is 21232333189. The reversal of 21232333122 is 22133323212.

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

It is a junction number, because it is equal to n+sod(n) for n = 21232333092 and 21232333101.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 24209748 + ... + 24210624.

It is an arithmetic number, because the mean of its divisors is an integer number (232318800).

Almost surely, 2^21232333122 is an apocalyptic number.

21232333122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 21232333122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29736806400).

21232333122 is an abundant number, since it is smaller than the sum of its proper divisors (38241279678).

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

21232333122 is a wasteful number, since it uses less digits than its factorization.

21232333122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081.

The product of its digits is 2592, while the sum is 24.

Adding to 21232333122 its reverse (22133323212), we get a palindrome (43365656334).

The spelling of 21232333122 in words is "twenty-one billion, two hundred thirty-two million, three hundred thirty-three thousand, one hundred twenty-two".