2124023120011 has 4 divisors (see below), whose sum is σ = 2287409513872. Its totient is φ = 1960636726152.

The previous prime is 2124023119987. The next prime is 2124023120029. The reversal of 2124023120011 is 1100213204212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2124023120011 - 2³⁹ = 1574267306123 is a prime.

It is a super-2 number, since 2×2124023120011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124023120081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81693196911 + ... + 81693196936.

It is an arithmetic number, because the mean of its divisors is an integer number (571852378468).

Almost surely, 2^{2124023120011} is an apocalyptic number.

2124023120011 is a deficient number, since it is larger than the sum of its proper divisors (163386393861).

2124023120011 is a wasteful number, since it uses less digits than its factorization.

2124023120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163386393860.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2124023120011 its reverse (1100213204212), we get a palindrome (3224236324223).

The spelling of 2124023120011 in words is "two trillion, one hundred twenty-four billion, twenty-three million, one hundred twenty thousand, eleven".