201424342021 has 16 divisors (see below), whose sum is σ = 245931650560. Its totient is φ = 161121383280.

The previous prime is 201424341997. The next prime is 201424342027. The reversal of 201424342021 is 120243424102.

201424342021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 201424342021 - 2¹³ = 201424333829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201424342027) 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, 11293095 + ... + 11310916.

It is an arithmetic number, because the mean of its divisors is an integer number (15370728160).

Almost surely, 2^201424342021 is an apocalyptic number.

It is an amenable number.

201424342021 is a deficient number, since it is larger than the sum of its proper divisors (44507308539).

201424342021 is a wasteful number, since it uses less digits than its factorization.

201424342021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22604104.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 201424342021 its reverse (120243424102), we get a palindrome (321667766123).

The spelling of 201424342021 in words is "two hundred one billion, four hundred twenty-four million, three hundred forty-two thousand, twenty-one".