33012102121 has 32 divisors (see below), whose sum is σ = 36639590400. Its totient is φ = 29619717120.

The previous prime is 33012102091. The next prime is 33012102131. The reversal of 33012102121 is 12120121033.

It is not a de Polignac number, because 33012102121 - 2¹¹ = 33012100073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33012102095 and 33012102104.

It is not an unprimeable number, because it can be changed into a prime (33012102131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7680445 + ... + 7684741.

It is an arithmetic number, because the mean of its divisors is an integer number (1144987200).

Almost surely, 2^33012102121 is an apocalyptic number.

It is an amenable number.

33012102121 is a deficient number, since it is larger than the sum of its proper divisors (3627488279).

33012102121 is a wasteful number, since it uses less digits than its factorization.

33012102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4609.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 33012102121 its reverse (12120121033), we get a palindrome (45132223154).

The spelling of 33012102121 in words is "thirty-three billion, twelve million, one hundred two thousand, one hundred twenty-one".