2112242124021 has 8 divisors (see below), whose sum is σ = 2818293672480. Its totient is φ = 1407175995792.

The previous prime is 2112242124007. The next prime is 2112242124037. The reversal of 2112242124021 is 1204212422112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2112242124021 - 2¹⁰ = 2112242122997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2112242123982 and 2112242124000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112242134021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246350055 + ... + 246358628.

It is an arithmetic number, because the mean of its divisors is an integer number (352286709060).

Almost surely, 2^{2112242124021} is an apocalyptic number.

It is an amenable number.

2112242124021 is a deficient number, since it is larger than the sum of its proper divisors (706051548459).

2112242124021 is a wasteful number, since it uses less digits than its factorization.

2112242124021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492710115.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 2112242124021 its reverse (1204212422112), we get a palindrome (3316454546133).

The spelling of 2112242124021 in words is "two trillion, one hundred twelve billion, two hundred forty-two million, one hundred twenty-four thousand, twenty-one".