21010333324 has 6 divisors (see below), whose sum is σ = 36768083324. Its totient is φ = 10505166660.

The previous prime is 21010333321. The next prime is 21010333349. The reversal of 21010333324 is 42333301012.

It is a junction number, because it is equal to n+sod(n) for n = 21010333295 and 21010333304.

It is not an unprimeable number, because it can be changed into a prime (21010333321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2626291662 + ... + 2626291669.

Almost surely, 2^21010333324 is an apocalyptic number.

It is an amenable number.

21010333324 is a deficient number, since it is larger than the sum of its proper divisors (15757750000).

21010333324 is a wasteful number, since it uses less digits than its factorization.

21010333324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252583335 (or 5252583333 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21010333324 its reverse (42333301012), we get a palindrome (63343634336).

The spelling of 21010333324 in words is "twenty-one billion, ten million, three hundred thirty-three thousand, three hundred twenty-four".