2021229568513 has 8 divisors (see below), whose sum is σ = 2115011764736. Its totient is φ = 1929233700000.

The previous prime is 2021229568459. The next prime is 2021229568517. The reversal of 2021229568513 is 3158659221202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2021229568513 - 2¹⁷ = 2021229437441 is a prime.

It is a super-2 number, since 2×2021229568513² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021229568517) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 446579613 + ... + 446584138.

It is an arithmetic number, because the mean of its divisors is an integer number (264376470592).

Almost surely, 2^{2021229568513} is an apocalyptic number.

It is an amenable number.

2021229568513 is a deficient number, since it is larger than the sum of its proper divisors (93782196223).

2021229568513 is an equidigital number, since it uses as much as digits as its factorization.

2021229568513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893163855.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 2021229568513 in words is "two trillion, twenty-one billion, two hundred twenty-nine million, five hundred sixty-eight thousand, five hundred thirteen".