33221210033 has 4 divisors (see below), whose sum is σ = 36241320048. Its totient is φ = 30201100020.

The previous prime is 33221209993. The next prime is 33221210039. The reversal of 33221210033 is 33001212233.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33221210033 - 2⁶ = 33221209969 is a prime.

It is a super-2 number, since 2×33221210033² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33221209987 and 33221210014.

It is not an unprimeable number, because it can be changed into a prime (33221210039) 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, 1510054991 + ... + 1510055012.

It is an arithmetic number, because the mean of its divisors is an integer number (9060330012).

Almost surely, 2^33221210033 is an apocalyptic number.

It is an amenable number.

33221210033 is a deficient number, since it is larger than the sum of its proper divisors (3020110015).

33221210033 is a wasteful number, since it uses less digits than its factorization.

33221210033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020110014.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 33221210033 its reverse (33001212233), we get a palindrome (66222422266).

The spelling of 33221210033 in words is "thirty-three billion, two hundred twenty-one million, two hundred ten thousand, thirty-three".