2124023114421 has 24 divisors (see below), whose sum is σ = 3323586495320. Its totient is φ = 1307091135168.

The previous prime is 2124023114417. The next prime is 2124023114441. The reversal of 2124023114421 is 1244113204212.

2124023114421 is a `hidden beast` number, since 2 + 1 + 2 + 4 + 0 + 231 + 1 + 4 + 421 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 984917304900 + 1139105809521 = 992430^2 + 1067289^2 .

It is not a de Polignac number, because 2124023114421 - 2² = 2124023114417 is a prime.

It is a super-2 number, since 2×2124023114421² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124023114441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53690416 + ... + 53729961.

Almost surely, 2^{2124023114421} is an apocalyptic number.

It is an amenable number.

2124023114421 is a deficient number, since it is larger than the sum of its proper divisors (1199563380899).

2124023114421 is a wasteful number, since it uses less digits than its factorization.

2124023114421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107420422 (or 107420393 counting only the distinct ones).

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

Adding to 2124023114421 its reverse (1244113204212), we get a palindrome (3368136318633).

The spelling of 2124023114421 in words is "two trillion, one hundred twenty-four billion, twenty-three million, one hundred fourteen thousand, four hundred twenty-one".