2021072050605 has 16 divisors (see below), whose sum is σ = 3256979423040. Its totient is φ = 1070150379648.

The previous prime is 2021072050597. The next prime is 2021072050609. The reversal of 2021072050605 is 5060502701202.

It is not a de Polignac number, because 2021072050605 - 2³ = 2021072050597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021072050609) 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 15 ways as a sum of consecutive naturals, for example, 484667472 + ... + 484671641.

It is an arithmetic number, because the mean of its divisors is an integer number (203561213940).

Almost surely, 2^{2021072050605} is an apocalyptic number.

It is an amenable number.

2021072050605 is a deficient number, since it is larger than the sum of its proper divisors (1235907372435).

2021072050605 is a wasteful number, since it uses less digits than its factorization.

2021072050605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969339260.

The product of its (nonzero) digits is 8400, while the sum is 30.

Adding to 2021072050605 its reverse (5060502701202), we get a palindrome (7081574751807).

The spelling of 2021072050605 in words is "two trillion, twenty-one billion, seventy-two million, fifty thousand, six hundred five".