32100130221 has 8 divisors (see below), whose sum is σ = 42807527040. Its totient is φ = 21396410112.

The previous prime is 32100130217. The next prime is 32100130229. The reversal of 32100130221 is 12203100123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32100130221 - 2² = 32100130217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32100130221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32100130229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898740 + ... + 933773.

It is an arithmetic number, because the mean of its divisors is an integer number (5350940880).

Almost surely, 2^32100130221 is an apocalyptic number.

It is an amenable number.

32100130221 is a deficient number, since it is larger than the sum of its proper divisors (10707396819).

32100130221 is a wasteful number, since it uses less digits than its factorization.

32100130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838355.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 32100130221 its reverse (12203100123), we get a palindrome (44303230344).

The spelling of 32100130221 in words is "thirty-two billion, one hundred million, one hundred thirty thousand, two hundred twenty-one".