33221033031133 has 4 divisors (see below), whose sum is σ = 33221213147808. Its totient is φ = 33220852914460.

The previous prime is 33221033031107. The next prime is 33221033031143. The reversal of 33221033031133 is 33113033012233.

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 a de Polignac number, because none of the positive numbers 2^k-33221033031133 is a prime.

It is a super-2 number, since 2×33221033031133² (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 (33221033031143) 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, 89781391 + ... + 90150652.

It is an arithmetic number, because the mean of its divisors is an integer number (8305303286952).

Almost surely, 2^{33221033031133} is an apocalyptic number.

It is an amenable number.

33221033031133 is a deficient number, since it is larger than the sum of its proper divisors (180116675).

33221033031133 is a wasteful number, since it uses less digits than its factorization.

33221033031133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180116674.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 33221033031133 its reverse (33113033012233), we get a palindrome (66334066043366).

The spelling of 33221033031133 in words is "thirty-three trillion, two hundred twenty-one billion, thirty-three million, thirty-one thousand, one hundred thirty-three".