21120332322 has 32 divisors (see below), whose sum is σ = 44488581120. Its totient is φ = 6665870160.

The previous prime is 21120332297. The next prime is 21120332323. The reversal of 21120332322 is 22323302112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21120332323) 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, 158143 + ... + 259325.

It is an arithmetic number, because the mean of its divisors is an integer number (1390268160).

Almost surely, 2^21120332322 is an apocalyptic number.

21120332322 is an abundant number, since it is smaller than the sum of its proper divisors (23368248798).

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

21120332322 is a wasteful number, since it uses less digits than its factorization.

21120332322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103038.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21120332322 its reverse (22323302112), we get a palindrome (43443634434).

The spelling of 21120332322 in words is "twenty-one billion, one hundred twenty million, three hundred thirty-two thousand, three hundred twenty-two".