2124013422021 has 16 divisors (see below), whose sum is σ = 2832982152000. Its totient is φ = 1415526928128.

The previous prime is 2124013421993. The next prime is 2124013422029. The reversal of 2124013422021 is 1202243104212.

It is not a de Polignac number, because 2124013422021 - 2¹³ = 2124013413829 is a prime.

It is a super-2 number, since 2×2124013422021² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2124013421982 and 2124013422000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124013422029) 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 15 ways as a sum of consecutive naturals, for example, 209484370 + ... + 209494508.

It is an arithmetic number, because the mean of its divisors is an integer number (177061384500).

Almost surely, 2^{2124013422021} is an apocalyptic number.

It is an amenable number.

2124013422021 is a deficient number, since it is larger than the sum of its proper divisors (708968729979).

2124013422021 is a wasteful number, since it uses less digits than its factorization.

2124013422021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27028.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2124013422021 its reverse (1202243104212), we get a palindrome (3326256526233).

The spelling of 2124013422021 in words is "two trillion, one hundred twenty-four billion, thirteen million, four hundred twenty-two thousand, twenty-one".