2133121112 has 8 divisors (see below), whose sum is σ = 3999602100. Its totient is φ = 1066560552.

The previous prime is 2133121103. The next prime is 2133121183. The reversal of 2133121112 is 2111213312.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133320062 + ... + 133320077.

Almost surely, 2^2133121112 is an apocalyptic number.

It is an amenable number.

2133121112 is a deficient number, since it is larger than the sum of its proper divisors (1866480988).

2133121112 is a wasteful number, since it uses less digits than its factorization.

2133121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266640145 (or 266640141 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 2133121112 is about 46185.7241147089. The cubic root of 2133121112 is about 1287.2764910910.

Adding to 2133121112 its reverse (2111213312), we get a palindrome (4244334424).

The spelling of 2133121112 in words is "two billion, one hundred thirty-three million, one hundred twenty-one thousand, one hundred twelve".