21120141432 has 64 divisors (see below), whose sum is σ = 56891520000. Its totient is φ = 6495122304.

The previous prime is 21120141389. The next prime is 21120141433. The reversal of 21120141432 is 23414102112.

It is a junction number, because it is equal to n+sod(n) for n = 21120141399 and 21120141408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21120141433) 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 15 ways as a sum of consecutive naturals, for example, 619569 + ... + 652767.

It is an arithmetic number, because the mean of its divisors is an integer number (888930000).

Almost surely, 2^21120141432 is an apocalyptic number.

It is an amenable number.

21120141432 is an abundant number, since it is smaller than the sum of its proper divisors (35771378568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21120141432 is a wasteful number, since it uses less digits than its factorization.

21120141432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35260 (or 35256 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21120141432 its reverse (23414102112), we get a palindrome (44534243544).

The spelling of 21120141432 in words is "twenty-one billion, one hundred twenty million, one hundred forty-one thousand, four hundred thirty-two".