2021130251224 has 64 divisors (see below), whose sum is σ = 4404797740800. Its totient is φ = 851440464000.

The previous prime is 2021130251213. The next prime is 2021130251293. The reversal of 2021130251224 is 4221520311202.

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 15 ways as a sum of consecutive naturals, for example, 50633674 + ... + 50673574.

It is an arithmetic number, because the mean of its divisors is an integer number (68824964700).

Almost surely, 2^{2021130251224} is an apocalyptic number.

It is an amenable number.

2021130251224 is an abundant number, since it is smaller than the sum of its proper divisors (2383667489576).

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

2021130251224 is a wasteful number, since it uses less digits than its factorization.

2021130251224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55304 (or 55300 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 2021130251224 its reverse (4221520311202), we get a palindrome (6242650562426).

The spelling of 2021130251224 in words is "two trillion, twenty-one billion, one hundred thirty million, two hundred fifty-one thousand, two hundred twenty-four".