1421041124421 has 24 divisors (see below), whose sum is σ = 2066114861720. Its totient is φ = 941132514816.

The previous prime is 1421041124351. The next prime is 1421041124453. The reversal of 1421041124421 is 1244211401241.

1421041124421 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 0 + 411 + 244 + 2 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8713289025 + 1412327835396 = 93345^2 + 1188414^2 .

It is not a de Polignac number, because 1421041124421 - 2¹⁸ = 1421040862277 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 (1421041124471) 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 23 ways as a sum of consecutive naturals, for example, 6920001 + ... + 7122393.

Almost surely, 2^{1421041124421} is an apocalyptic number.

It is an amenable number.

1421041124421 is a deficient number, since it is larger than the sum of its proper divisors (645073737299).

1421041124421 is a wasteful number, since it uses less digits than its factorization.

1421041124421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207525 (or 207522 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

Adding to 1421041124421 its reverse (1244211401241), we get a palindrome (2665252525662).

The spelling of 1421041124421 in words is "one trillion, four hundred twenty-one billion, forty-one million, one hundred twenty-four thousand, four hundred twenty-one".