21332211322332 has 48 divisors (see below), whose sum is σ = 49851613640192. Its totient is φ = 7099818264000.

The previous prime is 21332211322307. The next prime is 21332211322337. The reversal of 21332211322332 is 23322311223312.

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 21332211322332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332211322337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55143582 + ... + 55529082.

Almost surely, 2^{21332211322332} is an apocalyptic number.

It is an amenable number.

21332211322332 is an abundant number, since it is smaller than the sum of its proper divisors (28519402317860).

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

21332211322332 is a wasteful number, since it uses less digits than its factorization.

21332211322332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392578 (or 392576 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

Adding to 21332211322332 its reverse (23322311223312), we get a palindrome (44654522545644).

The spelling of 21332211322332 in words is "twenty-one trillion, three hundred thirty-two billion, two hundred eleven million, three hundred twenty-two thousand, three hundred thirty-two".