33112331121 has 16 divisors (see below), whose sum is σ = 44762926784. Its totient is φ = 21768424704.

The previous prime is 33112331113. The next prime is 33112331137. The reversal of 33112331121 is 12113321133.

It is a happy number.

It is not a de Polignac number, because 33112331121 - 2³ = 33112331113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33112331141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1561230 + ... + 1582296.

It is an arithmetic number, because the mean of its divisors is an integer number (2797682924).

Almost surely, 2^33112331121 is an apocalyptic number.

It is an amenable number.

33112331121 is a deficient number, since it is larger than the sum of its proper divisors (11650595663).

33112331121 is a wasteful number, since it uses less digits than its factorization.

33112331121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28320.

The product of its digits is 324, while the sum is 21.

Adding to 33112331121 its reverse (12113321133), we get a palindrome (45225652254).

The spelling of 33112331121 in words is "thirty-three billion, one hundred twelve million, three hundred thirty-one thousand, one hundred twenty-one".