33142143121 has 16 divisors (see below), whose sum is σ = 34865367040. Its totient is φ = 31464987840.

The previous prime is 33142143119. The next prime is 33142143169. The reversal of 33142143121 is 12134124133.

It is a cyclic number.

It is not a de Polignac number, because 33142143121 - 2¹ = 33142143119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33142143721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341395 + ... + 427591.

It is an arithmetic number, because the mean of its divisors is an integer number (2179085440).

Almost surely, 2^33142143121 is an apocalyptic number.

33142143121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

33142143121 is a deficient number, since it is larger than the sum of its proper divisors (1723223919).

33142143121 is a wasteful number, since it uses less digits than its factorization.

33142143121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86464.

The product of its digits is 1728, while the sum is 25.

Adding to 33142143121 its reverse (12134124133), we get a palindrome (45276267254).

The spelling of 33142143121 in words is "thirty-three billion, one hundred forty-two million, one hundred forty-three thousand, one hundred twenty-one".