33554542121 has 8 divisors (see below), whose sum is σ = 34283186688. Its totient is φ = 32831658000.

The previous prime is 33554542117. The next prime is 33554542123. The reversal of 33554542121 is 12124545533.

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 33554542121 - 2² = 33554542117 is a prime.

It is a super-3 number, since 3×33554542121³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33554542123) 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, 1428335 + ... + 1451636.

It is an arithmetic number, because the mean of its divisors is an integer number (4285398336).

Almost surely, 2^33554542121 is an apocalyptic number.

It is an amenable number.

33554542121 is a deficient number, since it is larger than the sum of its proper divisors (728644567).

33554542121 is a wasteful number, since it uses less digits than its factorization.

33554542121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880223.

The product of its digits is 72000, while the sum is 35.

The spelling of 33554542121 in words is "thirty-three billion, five hundred fifty-four million, five hundred forty-two thousand, one hundred twenty-one".