33030032121 has 24 divisors (see below), whose sum is σ = 49423078880. Its totient is φ = 21801819600.

The previous prime is 33030032107. The next prime is 33030032143. The reversal of 33030032121 is 12123003033.

33030032121 is a `hidden beast` number, since 330 + 300 + 32 + 1 + 2 + 1 = 666.

It is not a de Polignac number, because 33030032121 - 2¹¹ = 33030030073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33030032094 and 33030032103.

It is not an unprimeable number, because it can be changed into a prime (33030032171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215466 + ... + 335388.

Almost surely, 2^33030032121 is an apocalyptic number.

It is an amenable number.

33030032121 is a deficient number, since it is larger than the sum of its proper divisors (16393046759).

33030032121 is a wasteful number, since it uses less digits than its factorization.

33030032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120134 (or 120027 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 33030032121 its reverse (12123003033), we get a palindrome (45153035154).

It can be divided in two parts, 3303003 and 2121, that added together give a square (3305124 = 1818²).

The spelling of 33030032121 in words is "thirty-three billion, thirty million, thirty-two thousand, one hundred twenty-one".