33223112103221 has 4 divisors (see below), whose sum is σ = 33235024301100. Its totient is φ = 33211199905344.

The previous prime is 33223112103191. The next prime is 33223112103299. The reversal of 33223112103221 is 12230121132233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17247990424900 + 15975121678321 = 4153070^2 + 3996889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33223112103221 is a prime.

It is a super-2 number, since 2×33223112103221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33223112103521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5956094756 + ... + 5956100333.

It is an arithmetic number, because the mean of its divisors is an integer number (8308756075275).

Almost surely, 2^{33223112103221} is an apocalyptic number.

It is an amenable number.

33223112103221 is a deficient number, since it is larger than the sum of its proper divisors (11912197879).

33223112103221 is a wasteful number, since it uses less digits than its factorization.

33223112103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11912197878.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 33223112103221 its reverse (12230121132233), we get a palindrome (45453233235454).

The spelling of 33223112103221 in words is "thirty-three trillion, two hundred twenty-three billion, one hundred twelve million, one hundred three thousand, two hundred twenty-one".