33112330221 has 8 divisors (see below), whose sum is σ = 44153442144. Its totient is φ = 22073052560.

The previous prime is 33112330187. The next prime is 33112330241. The reversal of 33112330221 is 12203321133.

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 33112330221 - 2⁶ = 33112330157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33112330241) 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, 415875 + ... + 489056.

It is an arithmetic number, because the mean of its divisors is an integer number (5519180268).

Almost surely, 2^33112330221 is an apocalyptic number.

It is an amenable number.

33112330221 is a deficient number, since it is larger than the sum of its proper divisors (11041111923).

33112330221 is a wasteful number, since it uses less digits than its factorization.

33112330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917131.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 33112330221 its reverse (12203321133), we get a palindrome (45315651354).

The spelling of 33112330221 in words is "thirty-three billion, one hundred twelve million, three hundred thirty thousand, two hundred twenty-one".