33000200103221 has 4 divisors (see below), whose sum is σ = 35538677034252. Its totient is φ = 30461723172192.

The previous prime is 33000200103173. The next prime is 33000200103223. The reversal of 33000200103221 is 12230100200033.

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 18717953280625 + 14282246822596 = 4326425^2 + 3779186^2 .

It is a de Polignac number, because none of the positive numbers 2^k-33000200103221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33000200103221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33000200103223) 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, 1269238465496 + ... + 1269238465521.

It is an arithmetic number, because the mean of its divisors is an integer number (8884669258563).

Almost surely, 2^{33000200103221} is an apocalyptic number.

It is an amenable number.

33000200103221 is a deficient number, since it is larger than the sum of its proper divisors (2538476931031).

33000200103221 is a wasteful number, since it uses less digits than its factorization.

33000200103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538476931030.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 33000200103221 its reverse (12230100200033), we get a palindrome (45230300303254).

The spelling of 33000200103221 in words is "thirty-three trillion, two hundred million, one hundred three thousand, two hundred twenty-one".