201324422421 has 12 divisors (see below), whose sum is σ = 290845570080. Its totient is φ = 134196146280.

The previous prime is 201324422419. The next prime is 201324422461. The reversal of 201324422421 is 124224423102.

It is a happy number.

201324422421 is a `hidden beast` number, since 201 + 32 + 4 + 4 + 2 + 2 + 421 = 666.

It is not a de Polignac number, because 201324422421 - 2¹ = 201324422419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201324422401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1614495 + ... + 1734716.

It is an arithmetic number, because the mean of its divisors is an integer number (24237130840).

Almost surely, 2^201324422421 is an apocalyptic number.

It is an amenable number.

201324422421 is a deficient number, since it is larger than the sum of its proper divisors (89521147659).

201324422421 is a wasteful number, since it uses less digits than its factorization.

201324422421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355896 (or 3355893 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 201324422421 its reverse (124224423102), we get a palindrome (325548845523).

The spelling of 201324422421 in words is "two hundred one billion, three hundred twenty-four million, four hundred twenty-two thousand, four hundred twenty-one".