421135021201 has 8 divisors (see below), whose sum is σ = 422252438400. Its totient is φ = 420017783280.

The previous prime is 421135021171. The next prime is 421135021267. The reversal of 421135021201 is 102120531124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421135021201 - 2⁵ = 421135021169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421135021271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5594946 + ... + 5669716.

It is an arithmetic number, because the mean of its divisors is an integer number (52781554800).

Almost surely, 2^421135021201 is an apocalyptic number.

It is an amenable number.

421135021201 is a deficient number, since it is larger than the sum of its proper divisors (1117417199).

421135021201 is a wasteful number, since it uses less digits than its factorization.

421135021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89639.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 421135021201 its reverse (102120531124), we get a palindrome (523255552325).

The spelling of 421135021201 in words is "four hundred twenty-one billion, one hundred thirty-five million, twenty-one thousand, two hundred one".