33303212121 has 8 divisors (see below), whose sum is σ = 44433676224. Its totient is φ = 22187444720.

The previous prime is 33303212069. The next prime is 33303212203. The reversal of 33303212121 is 12121230333.

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 33303212121 - 2⁶ = 33303212057 is a prime.

It is a super-2 number, since 2×33303212121² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33303212221) 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, 3668886 + ... + 3677951.

It is an arithmetic number, because the mean of its divisors is an integer number (5554209528).

Almost surely, 2^33303212121 is an apocalyptic number.

It is an amenable number.

33303212121 is a deficient number, since it is larger than the sum of its proper divisors (11130464103).

33303212121 is a wasteful number, since it uses less digits than its factorization.

33303212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7348351.

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

Adding to 33303212121 its reverse (12121230333), we get a palindrome (45424442454).

The spelling of 33303212121 in words is "thirty-three billion, three hundred three million, two hundred twelve thousand, one hundred twenty-one".