33331002012221 has 8 divisors (see below), whose sum is σ = 33649697315520. Its totient is φ = 33012439868608.

The previous prime is 33331002012211. The next prime is 33331002012223. The reversal of 33331002012221 is 12221020013333.

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 33331002012221 - 2³⁴ = 33313822143037 is a prime.

It is a super-2 number, since 2×33331002012221² (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 (33331002012223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32786876 + ... + 33788181.

It is an arithmetic number, because the mean of its divisors is an integer number (4206212164440).

Almost surely, 2^{33331002012221} is an apocalyptic number.

It is an amenable number.

33331002012221 is a deficient number, since it is larger than the sum of its proper divisors (318695303299).

33331002012221 is a wasteful number, since it uses less digits than its factorization.

33331002012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66579843.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 33331002012221 its reverse (12221020013333), we get a palindrome (45552022025554).

The spelling of 33331002012221 in words is "thirty-three trillion, three hundred thirty-one billion, two million, twelve thousand, two hundred twenty-one".