2124120310421 has 8 divisors (see below), whose sum is σ = 2125280830464. Its totient is φ = 2122959940720.

The previous prime is 2124120310399. The next prime is 2124120310451. The reversal of 2124120310421 is 1240130214212.

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

It is a cyclic number.

It is not a de Polignac number, because 2124120310421 - 2³⁴ = 2106940441237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124120310451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38842520 + ... + 38897166.

It is an arithmetic number, because the mean of its divisors is an integer number (265660103808).

Almost surely, 2^{2124120310421} is an apocalyptic number.

It is an amenable number.

2124120310421 is a deficient number, since it is larger than the sum of its proper divisors (1160520043).

2124120310421 is a wasteful number, since it uses less digits than its factorization.

2124120310421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75171.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 2124120310421 its reverse (1240130214212), we get a palindrome (3364250524633).

The spelling of 2124120310421 in words is "two trillion, one hundred twenty-four billion, one hundred twenty million, three hundred ten thousand, four hundred twenty-one".