14021401124421 has 6 divisors (see below), whose sum is σ = 20253134957510. Its totient is φ = 9347600749608.

The previous prime is 14021401124417. The next prime is 14021401124443. The reversal of 14021401124421 is 12442110412041.

14021401124421 is a `hidden beast` number, since 1 + 4 + 0 + 214 + 0 + 1 + 1 + 2 + 442 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13709913236100 + 311487888321 = 3702690^2 + 558111^2 .

It is not a de Polignac number, because 14021401124421 - 2² = 14021401124417 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 (14021401124461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 778966729126 + ... + 778966729143.

Almost surely, 2^{14021401124421} is an apocalyptic number.

It is an amenable number.

14021401124421 is a deficient number, since it is larger than the sum of its proper divisors (6231733833089).

14021401124421 is a wasteful number, since it uses less digits than its factorization.

14021401124421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557933458275 (or 1557933458272 counting only the distinct ones).

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

Adding to 14021401124421 its reverse (12442110412041), we get a palindrome (26463511536462).

The spelling of 14021401124421 in words is "fourteen trillion, twenty-one billion, four hundred one million, one hundred twenty-four thousand, four hundred twenty-one".