2122131112 has 8 divisors (see below), whose sum is σ = 3978995850. Its totient is φ = 1061065552.

The previous prime is 2122131091. The next prime is 2122131127. The reversal of 2122131112 is 2111312212.

It can be written as a sum of positive squares in only one way, i.e., 2122076356 + 54756 = 46066^2 + 234^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132633187 + ... + 132633202.

Almost surely, 2^2122131112 is an apocalyptic number.

It is an amenable number.

2122131112 is a deficient number, since it is larger than the sum of its proper divisors (1856864738).

2122131112 is a wasteful number, since it uses less digits than its factorization.

2122131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265266395 (or 265266391 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 2122131112 is about 46066.5943173576. The cubic root of 2122131112 is about 1285.0619685781.

Adding to 2122131112 its reverse (2111312212), we get a palindrome (4233443324).

The spelling of 2122131112 in words is "two billion, one hundred twenty-two million, one hundred thirty-one thousand, one hundred twelve".