2021103324 has 72 divisors (see below), whose sum is σ = 5232820320. Its totient is φ = 657552000.

The previous prime is 2021103299. The next prime is 2021103407. The reversal of 2021103324 is 4233011202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2021103297 and 2021103306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254242 + ... + 262070.

It is an arithmetic number, because the mean of its divisors is an integer number (72678060).

Almost surely, 2^2021103324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021103324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2616410160).

2021103324 is an abundant number, since it is smaller than the sum of its proper divisors (3211716996).

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

2021103324 is a wasteful number, since it uses less digits than its factorization.

2021103324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8011 (or 8006 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2021103324 is about 44956.6827512885. The cubic root of 2021103324 is about 1264.3369746962.

Adding to 2021103324 its reverse (4233011202), we get a palindrome (6254114526).

The spelling of 2021103324 in words is "two billion, twenty-one million, one hundred three thousand, three hundred twenty-four".