33121120233 has 8 divisors (see below), whose sum is σ = 44178815296. Its totient is φ = 22072086000.

The previous prime is 33121120211. The next prime is 33121120303. The reversal of 33121120233 is 33202112133.

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

It is not a de Polignac number, because 33121120233 - 2⁹ = 33121119721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33121120033) 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, 2156278 + ... + 2171583.

It is an arithmetic number, because the mean of its divisors is an integer number (5522351912).

Almost surely, 2^33121120233 is an apocalyptic number.

It is an amenable number.

33121120233 is a deficient number, since it is larger than the sum of its proper divisors (11057695063).

33121120233 is a wasteful number, since it uses less digits than its factorization.

33121120233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4330415.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 33121120233 its reverse (33202112133), we get a palindrome (66323232366).

The spelling of 33121120233 in words is "thirty-three billion, one hundred twenty-one million, one hundred twenty thousand, two hundred thirty-three".