2133132121 has 16 divisors (see below), whose sum is σ = 2183086080. Its totient is φ = 2083918480.

The previous prime is 2133132107. The next prime is 2133132173. The reversal of 2133132121 is 1212313312.

It is a cyclic number.

It is not a de Polignac number, because 2133132121 - 2⁷ = 2133131993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133132101) 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, 3788586 + ... + 3789148.

It is an arithmetic number, because the mean of its divisors is an integer number (136442880).

Almost surely, 2^2133132121 is an apocalyptic number.

It is an amenable number.

2133132121 is a deficient number, since it is larger than the sum of its proper divisors (49953959).

2133132121 is a wasteful number, since it uses less digits than its factorization.

2133132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076.

The product of its digits is 216, while the sum is 19.

The square root of 2133132121 is about 46185.8432964041. The cubic root of 2133132121 is about 1287.2787056242.

Adding to 2133132121 its reverse (1212313312), we get a palindrome (3345445433).

The spelling of 2133132121 in words is "two billion, one hundred thirty-three million, one hundred thirty-two thousand, one hundred twenty-one".