2021321324 has 12 divisors (see below), whose sum is σ = 3858886248. Its totient is φ = 918782400.

The previous prime is 2021321299. The next prime is 2021321333. The reversal of 2021321324 is 4231231202.

It is a super-2 number, since 2×2021321324² = 8171479789714225952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021321296 and 2021321305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22969517 + ... + 22969604.

It is an arithmetic number, because the mean of its divisors is an integer number (321573854).

Almost surely, 2^2021321324 is an apocalyptic number.

It is an amenable number.

2021321324 is a deficient number, since it is larger than the sum of its proper divisors (1837564924).

2021321324 is a wasteful number, since it uses less digits than its factorization.

2021321324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45939136 (or 45939134 counting only the distinct ones).

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

The square root of 2021321324 is about 44959.1072420261. The cubic root of 2021321324 is about 1264.3824309821.

Adding to 2021321324 its reverse (4231231202), we get a palindrome (6252552526).

The spelling of 2021321324 in words is "two billion, twenty-one million, three hundred twenty-one thousand, three hundred twenty-four".