32212100221 has 8 divisors (see below), whose sum is σ = 37711727424. Its totient is φ = 26936947680.

The previous prime is 32212100213. The next prime is 32212100251. The reversal of 32212100221 is 12200121223.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 32212100221 - 2³ = 32212100213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32212100195 and 32212100204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32212100251) 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, 56118355 + ... + 56118928.

It is an arithmetic number, because the mean of its divisors is an integer number (4713965928).

Almost surely, 2^32212100221 is an apocalyptic number.

It is an amenable number.

32212100221 is a deficient number, since it is larger than the sum of its proper divisors (5499627203).

32212100221 is a wasteful number, since it uses less digits than its factorization.

32212100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112237331.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 32212100221 its reverse (12200121223), we get a palindrome (44412221444).

The spelling of 32212100221 in words is "thirty-two billion, two hundred twelve million, one hundred thousand, two hundred twenty-one".