42432111334221 has 32 divisors (see below), whose sum is σ = 64927441075200. Its totient is φ = 24146245307520.

The previous prime is 42432111334219. The next prime is 42432111334253. The reversal of 42432111334221 is 12243311123424.

It is not a de Polignac number, because 42432111334221 - 2¹ = 42432111334219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42432111334621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1199961 + ... + 9290001.

It is an arithmetic number, because the mean of its divisors is an integer number (2028982533600).

Almost surely, 2^{42432111334221} is an apocalyptic number.

It is an amenable number.

42432111334221 is a deficient number, since it is larger than the sum of its proper divisors (22495329740979).

42432111334221 is a wasteful number, since it uses less digits than its factorization.

42432111334221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8091089.

The product of its digits is 27648, while the sum is 33.

Adding to 42432111334221 its reverse (12243311123424), we get a palindrome (54675422457645).

The spelling of 42432111334221 in words is "forty-two trillion, four hundred thirty-two billion, one hundred eleven million, three hundred thirty-four thousand, two hundred twenty-one".