2421231014421 has 12 divisors (see below), whose sum is σ = 3497371186348. Its totient is φ = 1614136702464.

The previous prime is 2421231014393. The next prime is 2421231014443. The reversal of 2421231014421 is 1244101321242.

2421231014421 is a `hidden beast` number, since 2 + 4 + 2 + 1 + 231 + 0 + 1 + 4 + 421 = 666.

2421231014421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1166315761521 + 1254915252900 = 1079961^2 + 1120230^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2421231014421 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 (2421231014471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 525580 + ... + 2262453.

Almost surely, 2^{2421231014421} is an apocalyptic number.

It is an amenable number.

2421231014421 is a deficient number, since it is larger than the sum of its proper divisors (1076140171927).

2421231014421 is a wasteful number, since it uses less digits than its factorization.

2421231014421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884532 (or 2884529 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 2421231014421 its reverse (1244101321242), we get a palindrome (3665332335663).

The spelling of 2421231014421 in words is "two trillion, four hundred twenty-one billion, two hundred thirty-one million, fourteen thousand, four hundred twenty-one".