21110332332 has 24 divisors (see below), whose sum is σ = 49263810736. Its totient is φ = 7035867648.

The previous prime is 21110332319. The next prime is 21110332333. The reversal of 21110332332 is 23323301112.

It is a super-2 number, since 2×21110332332² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21110332299 and 21110332308.

It is not an unprimeable number, because it can be changed into a prime (21110332333) by changing a digit.

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, 13513 + ... + 205920.

Almost surely, 2^21110332332 is an apocalyptic number.

It is an amenable number.

21110332332 is an abundant number, since it is smaller than the sum of its proper divisors (28153478404).

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

21110332332 is a wasteful number, since it uses less digits than its factorization.

21110332332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227457 (or 227455 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21110332332 its reverse (23323301112), we get a palindrome (44433633444).

The spelling of 21110332332 in words is "twenty-one billion, one hundred ten million, three hundred thirty-two thousand, three hundred thirty-two".