32140105421021 has 16 divisors (see below), whose sum is σ = 34877151236928. Its totient is φ = 29440884844800.

The previous prime is 32140105420981. The next prime is 32140105421023. The reversal of 32140105421021 is 12012450104123.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-32140105421021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32140105421023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202402226 + ... + 202560956.

It is an arithmetic number, because the mean of its divisors is an integer number (2179821952308).

Almost surely, 2^{32140105421021} is an apocalyptic number.

It is an amenable number.

32140105421021 is a deficient number, since it is larger than the sum of its proper divisors (2737045815907).

32140105421021 is a wasteful number, since it uses less digits than its factorization.

32140105421021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277772.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 32140105421021 its reverse (12012450104123), we get a palindrome (44152555525144).

The spelling of 32140105421021 in words is "thirty-two trillion, one hundred forty billion, one hundred five million, four hundred twenty-one thousand, twenty-one".