21332201231322 has 64 divisors (see below), whose sum is σ = 48539915952000. Its totient is φ = 6940702266624.

The previous prime is 21332201231267. The next prime is 21332201231353. The reversal of 21332201231322 is 22313210223312.

21332201231322 is a `hidden beast` number, since 2 + 1 + 3 + 322 + 0 + 1 + 2 + 313 + 22 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372504 + ... + 6542412.

It is an arithmetic number, because the mean of its divisors is an integer number (758436186750).

Almost surely, 2^{21332201231322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21332201231322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24269957976000).

21332201231322 is an abundant number, since it is smaller than the sum of its proper divisors (27207714720678).

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

21332201231322 is a wasteful number, since it uses less digits than its factorization.

21332201231322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6171452 (or 6171446 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 21332201231322 its reverse (22313210223312), we get a palindrome (43645411454634).

The spelling of 21332201231322 in words is "twenty-one trillion, three hundred thirty-two billion, two hundred one million, two hundred thirty-one thousand, three hundred twenty-two".