43021020201 has 16 divisors (see below), whose sum is σ = 57648617280. Its totient is φ = 28537125120.

The previous prime is 43021020191. The next prime is 43021020223. The reversal of 43021020201 is 10202012034.

It is not a de Polignac number, because 43021020201 - 2⁷ = 43021020073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43021020271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3331365 + ... + 3344253.

It is an arithmetic number, because the mean of its divisors is an integer number (3603038580).

Almost surely, 2^43021020201 is an apocalyptic number.

It is an amenable number.

43021020201 is a deficient number, since it is larger than the sum of its proper divisors (14627597079).

43021020201 is a wasteful number, since it uses less digits than its factorization.

43021020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18376.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 43021020201 its reverse (10202012034), we get a palindrome (53223032235).

The spelling of 43021020201 in words is "forty-three billion, twenty-one million, twenty thousand, two hundred one".