33216512044021 has 8 divisors (see below), whose sum is σ = 34664538772800. Its totient is φ = 31768804528032.

The previous prime is 33216512044007. The next prime is 33216512044049. The reversal of 33216512044021 is 12044021561233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33216512044021 - 2¹³ = 33216512035829 is a prime.

It is a super-2 number, since 2×33216512044021² (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 (33216512044081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79590535 + ... + 80006788.

It is an arithmetic number, because the mean of its divisors is an integer number (4333067346600).

Almost surely, 2^{33216512044021} is an apocalyptic number.

It is an amenable number.

33216512044021 is a deficient number, since it is larger than the sum of its proper divisors (1448026728779).

33216512044021 is a wasteful number, since it uses less digits than its factorization.

33216512044021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159606395.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 33216512044021 in words is "thirty-three trillion, two hundred sixteen billion, five hundred twelve million, forty-four thousand, twenty-one".