33321132121 has 4 divisors (see below), whose sum is σ = 33323307472. Its totient is φ = 33318956772.

The previous prime is 33321132073. The next prime is 33321132139. The reversal of 33321132121 is 12123112333.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33321132121 - 2¹⁵ = 33321099353 is a prime.

It is a super-3 number, since 3×33321132121³ (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 a junction number, because it is equal to n+sod(n) for n = 33321132092 and 33321132101.

It is not an unprimeable number, because it can be changed into a prime (33321132521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064535 + ... + 1095388.

It is an arithmetic number, because the mean of its divisors is an integer number (8330826868).

Almost surely, 2^33321132121 is an apocalyptic number.

It is an amenable number.

33321132121 is a deficient number, since it is larger than the sum of its proper divisors (2175351).

33321132121 is a wasteful number, since it uses less digits than its factorization.

33321132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175350.

The product of its digits is 648, while the sum is 22.

Adding to 33321132121 its reverse (12123112333), we get a palindrome (45444244454).

The spelling of 33321132121 in words is "thirty-three billion, three hundred twenty-one million, one hundred thirty-two thousand, one hundred twenty-one".