2121013132 has 12 divisors (see below), whose sum is σ = 4242026320. Its totient is φ = 909005616.

The previous prime is 2121013129. The next prime is 2121013159. The reversal of 2121013132 is 2313101212.

2121013132 is an admirable number.

It is a super-2 number, since 2×2121013132² = 8997393412232898848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37875207 + ... + 37875262.

Almost surely, 2^2121013132 is an apocalyptic number.

It is an amenable number.

2121013132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121013132 is a wasteful number, since it uses less digits than its factorization.

2121013132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75750480 (or 75750478 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2121013132 is about 46054.4583292432. The cubic root of 2121013132 is about 1284.8362637140.

Adding to 2121013132 its reverse (2313101212), we get a palindrome (4434114344).

The spelling of 2121013132 in words is "two billion, one hundred twenty-one million, thirteen thousand, one hundred thirty-two".