21201232322 has 16 divisors (see below), whose sum is σ = 32201124480. Its totient is φ = 10467652272.

The previous prime is 21201232313. The next prime is 21201232331. The reversal of 21201232322 is 22323210212.

It is a happy number.

21201232322 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (21201232313) and next prime (21201232331).

It is a junction number, because it is equal to n+sod(n) for n = 21201232294 and 21201232303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311504 + ... + 373412.

It is an arithmetic number, because the mean of its divisors is an integer number (2012570280).

Almost surely, 2^21201232322 is an apocalyptic number.

21201232322 is a deficient number, since it is larger than the sum of its proper divisors (10999892158).

21201232322 is a wasteful number, since it uses less digits than its factorization.

21201232322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64057.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21201232322 its reverse (22323210212), we get a palindrome (43524442534).

The spelling of 21201232322 in words is "twenty-one billion, two hundred one million, two hundred thirty-two thousand, three hundred twenty-two".