2124433403421 has 64 divisors (see below), whose sum is σ = 3292378521600. Its totient is φ = 1193475409920.

The previous prime is 2124433403347. The next prime is 2124433403461. The reversal of 2124433403421 is 1243043344212.

It is not a de Polignac number, because 2124433403421 - 2¹⁸ = 2124433141277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124433403461) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 192651910 + ... + 192662936.

It is an arithmetic number, because the mean of its divisors is an integer number (51443414400).

Almost surely, 2^{2124433403421} is an apocalyptic number.

2124433403421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2124433403421 is a deficient number, since it is larger than the sum of its proper divisors (1167945118179).

2124433403421 is a wasteful number, since it uses less digits than its factorization.

2124433403421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11754.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 2124433403421 its reverse (1243043344212), we get a palindrome (3367476747633).

The spelling of 2124433403421 in words is "two trillion, one hundred twenty-four billion, four hundred thirty-three million, four hundred three thousand, four hundred twenty-one".