11432212421 has 8 divisors (see below), whose sum is σ = 13066270464. Its totient is φ = 9798375600.

The previous prime is 11432212397. The next prime is 11432212433. The reversal of 11432212421 is 12421223411.

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 11432212421 - 2⁶ = 11432212357 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 (11432212481) 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 7 ways as a sum of consecutive naturals, for example, 76331 + ... + 169383.

It is an arithmetic number, because the mean of its divisors is an integer number (1633283808).

Almost surely, 2^11432212421 is an apocalyptic number.

It is an amenable number.

11432212421 is a deficient number, since it is larger than the sum of its proper divisors (1634058043).

11432212421 is an equidigital number, since it uses as much as digits as its factorization.

11432212421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110611.

The product of its digits is 768, while the sum is 23.

Adding to 11432212421 its reverse (12421223411), we get a palindrome (23853435832).

The spelling of 11432212421 in words is "eleven billion, four hundred thirty-two million, two hundred twelve thousand, four hundred twenty-one".