2121122032 has 20 divisors (see below), whose sum is σ = 4197115296. Its totient is φ = 1037995520.

The previous prime is 2121122027. The next prime is 2121122071. The reversal of 2121122032 is 2302211212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2121121997 and 2121122015.

It is a congruent number.

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, 1409569 + ... + 1411072.

Almost surely, 2^2121122032 is an apocalyptic number.

It is an amenable number.

2121122032 is a deficient number, since it is larger than the sum of its proper divisors (2075993264).

2121122032 is a wasteful number, since it uses less digits than its factorization.

2121122032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820696 (or 2820690 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2121122032 is about 46055.6406100273. The cubic root of 2121122032 is about 1284.8582526199.

Adding to 2121122032 its reverse (2302211212), we get a palindrome (4423333244).

The spelling of 2121122032 in words is "two billion, one hundred twenty-one million, one hundred twenty-two thousand, thirty-two".