2121133132 has 24 divisors (see below), whose sum is σ = 3744661536. Its totient is φ = 1051266048.

The previous prime is 2121133127. The next prime is 2121133159. The reversal of 2121133132 is 2313311212.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 244908 + ... + 253420.

It is an arithmetic number, because the mean of its divisors is an integer number (156027564).

Almost surely, 2^2121133132 is an apocalyptic number.

It is an amenable number.

2121133132 is a deficient number, since it is larger than the sum of its proper divisors (1623528404).

2121133132 is a wasteful number, since it uses less digits than its factorization.

2121133132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9057 (or 9055 counting only the distinct ones).

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

The square root of 2121133132 is about 46055.7611162816. The cubic root of 2121133132 is about 1284.8604938711.

Adding to 2121133132 its reverse (2313311212), we get a palindrome (4434444344).

The spelling of 2121133132 in words is "two billion, one hundred twenty-one million, one hundred thirty-three thousand, one hundred thirty-two".