33112140121 has 2 divisors, whose sum is σ = 33112140122. Its totient is φ = 33112140120.

The previous prime is 33112140091. The next prime is 33112140163. The reversal of 33112140121 is 12104121133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30202616521 + 2909523600 = 173789^2 + 53940^2 .

It is a cyclic number.

It is not a de Polignac number, because 33112140121 - 2¹³ = 33112131929 is a prime.

It is not a weakly prime, because it can be changed into another prime (33112149121) 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 as a sum of consecutive naturals, namely, 16556070060 + 16556070061.

It is an arithmetic number, because the mean of its divisors is an integer number (16556070061).

Almost surely, 2^33112140121 is an apocalyptic number.

It is an amenable number.

33112140121 is a deficient number, since it is larger than the sum of its proper divisors (1).

33112140121 is an equidigital number, since it uses as much as digits as its factorization.

33112140121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 33112140121 its reverse (12104121133), we get a palindrome (45216261254).

The spelling of 33112140121 in words is "thirty-three billion, one hundred twelve million, one hundred forty thousand, one hundred twenty-one".