21113432322 has 64 divisors (see below), whose sum is σ = 45808840704. Its totient is φ = 6472509120.

The previous prime is 21113432321. The next prime is 21113432357. The reversal of 21113432322 is 22323431112.

It is a junction number, because it is equal to n+sod(n) for n = 21113432292 and 21113432301.

It is not an unprimeable number, because it can be changed into a prime (21113432321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260253 + ... + 331599.

It is an arithmetic number, because the mean of its divisors is an integer number (715763136).

Almost surely, 2^21113432322 is an apocalyptic number.

21113432322 is an abundant number, since it is smaller than the sum of its proper divisors (24695408382).

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

21113432322 is a wasteful number, since it uses less digits than its factorization.

21113432322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71463.

The product of its digits is 1728, while the sum is 24.

Adding to 21113432322 its reverse (22323431112), we get a palindrome (43436863434).

The spelling of 21113432322 in words is "twenty-one billion, one hundred thirteen million, four hundred thirty-two thousand, three hundred twenty-two".