32231210011221 has 16 divisors (see below), whose sum is σ = 46369542381120. Its totient is φ = 19796520531840.

The previous prime is 32231210011177. The next prime is 32231210011333. The reversal of 32231210011221 is 12211001213223.

It is not a de Polignac number, because 32231210011221 - 2⁷ = 32231210011093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32231210011421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793109511 + ... + 793150148.

It is an arithmetic number, because the mean of its divisors is an integer number (2898096398820).

Almost surely, 2^{32231210011221} is an apocalyptic number.

It is an amenable number.

32231210011221 is a deficient number, since it is larger than the sum of its proper divisors (14138332369899).

32231210011221 is a wasteful number, since it uses less digits than its factorization.

32231210011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586260196.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 32231210011221 its reverse (12211001213223), we get a palindrome (44442211224444).

The spelling of 32231210011221 in words is "thirty-two trillion, two hundred thirty-one billion, two hundred ten million, eleven thousand, two hundred twenty-one".