421432321211 has 8 divisors (see below), whose sum is σ = 460417483584. Its totient is φ = 382559347720.

The previous prime is 421432321199. The next prime is 421432321213. The reversal of 421432321211 is 112123234124.

It is a happy number.

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

It is not a de Polignac number, because 421432321211 - 2⁶ = 421432321147 is a prime.

It is a super-2 number, since 2×421432321211² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421432321213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28039361 + ... + 28054386.

It is an arithmetic number, because the mean of its divisors is an integer number (57552185448).

Almost surely, 2^421432321211 is an apocalyptic number.

421432321211 is a deficient number, since it is larger than the sum of its proper divisors (38985162373).

421432321211 is a wasteful number, since it uses less digits than its factorization.

421432321211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56094441.

The product of its digits is 2304, while the sum is 26.

Adding to 421432321211 its reverse (112123234124), we get a palindrome (533555555335).

The spelling of 421432321211 in words is "four hundred twenty-one billion, four hundred thirty-two million, three hundred twenty-one thousand, two hundred eleven".