2021032313120 has 24 divisors (see below), whose sum is σ = 4774688840124. Its totient is φ = 808412925184.

The previous prime is 2021032313119. The next prime is 2021032313143. The reversal of 2021032313120 is 213132301202.

It can be written as a sum of positive squares in 2 ways, for example, as 1672086920464 + 348945392656 = 1293092^2 + 590716^2 .

It is a super-3 number, since 3×2021032313120³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2021032313092 and 2021032313101.

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 3 ways as a sum of consecutive naturals, for example, 6315725819 + ... + 6315726138.

Almost surely, 2^{2021032313120} is an apocalyptic number.

2021032313120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021032313120 is an abundant number, since it is smaller than the sum of its proper divisors (2753656527004).

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

2021032313120 is a wasteful number, since it uses less digits than its factorization.

2021032313120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12631451972 (or 12631451964 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2021032313120 its reverse (213132301202), we get a palindrome (2234164614322).

The spelling of 2021032313120 in words is "two trillion, twenty-one billion, thirty-two million, three hundred thirteen thousand, one hundred twenty".