2021229568514 has 24 divisors (see below), whose sum is σ = 3445953090300. Its totient is φ = 883776487392.

The previous prime is 2021229568459. The next prime is 2021229568517. The reversal of 2021229568514 is 4158659221202.

It can be written as a sum of positive squares in 2 ways, for example, as 2005953844489 + 15275724025 = 1416317^2 + 123595^2 .

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 11 ways as a sum of consecutive naturals, for example, 107663189 + ... + 107681960.

Almost surely, 2^{2021229568514} is an apocalyptic number.

2021229568514 is a deficient number, since it is larger than the sum of its proper divisors (1424723521786).

2021229568514 is a wasteful number, since it uses less digits than its factorization.

2021229568514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215345202 (or 215345183 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 2021229568514 in words is "two trillion, twenty-one billion, two hundred twenty-nine million, five hundred sixty-eight thousand, five hundred fourteen".