32100113221 has 4 divisors (see below), whose sum is σ = 35018305344. Its totient is φ = 29181921100.

The previous prime is 32100113207. The next prime is 32100113237. The reversal of 32100113221 is 12231100123.

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.

It is a cyclic number.

It is not a de Polignac number, because 32100113221 - 2¹⁷ = 32099982149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32100113195 and 32100113204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32100113261) 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 3 ways as a sum of consecutive naturals, for example, 1459096045 + ... + 1459096066.

It is an arithmetic number, because the mean of its divisors is an integer number (8754576336).

Almost surely, 2^32100113221 is an apocalyptic number.

It is an amenable number.

32100113221 is a deficient number, since it is larger than the sum of its proper divisors (2918192123).

32100113221 is a wasteful number, since it uses less digits than its factorization.

32100113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918192122.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 32100113221 its reverse (12231100123), we get a palindrome (44331213344).

The spelling of 32100113221 in words is "thirty-two billion, one hundred million, one hundred thirteen thousand, two hundred twenty-one".