32104121421 has 4 divisors (see below), whose sum is σ = 42805495232. Its totient is φ = 21402747612.

The previous prime is 32104121321. The next prime is 32104121429. The reversal of 32104121421 is 12412140123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12412140123 = 3 ⋅4137380041.

It is not a de Polignac number, because 32104121421 - 2¹⁷ = 32103990349 is a prime.

It is a super-2 number, since 2×32104121421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32104121429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5350686901 + ... + 5350686906.

It is an arithmetic number, because the mean of its divisors is an integer number (10701373808).

Almost surely, 2^32104121421 is an apocalyptic number.

It is an amenable number.

32104121421 is a deficient number, since it is larger than the sum of its proper divisors (10701373811).

32104121421 is a wasteful number, since it uses less digits than its factorization.

32104121421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10701373810.

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

Adding to 32104121421 its reverse (12412140123), we get a palindrome (44516261544).

The spelling of 32104121421 in words is "thirty-two billion, one hundred four million, one hundred twenty-one thousand, four hundred twenty-one".