2123042421411 has 64 divisors (see below), whose sum is σ = 3343870800000. Its totient is φ = 1328735632896.

The previous prime is 2123042421407. The next prime is 2123042421413. The reversal of 2123042421411 is 1141242403212.

2123042421411 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 0 + 4 + 242 + 1 + 411 = 666.

It is not a de Polignac number, because 2123042421411 - 2² = 2123042421407 is a prime.

It is a super-2 number, since 2×2123042421411² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2123042421413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44852425 + ... + 44899733.

It is an arithmetic number, because the mean of its divisors is an integer number (52247981250).

Almost surely, 2^{2123042421411} is an apocalyptic number.

2123042421411 is a deficient number, since it is larger than the sum of its proper divisors (1220828378589).

2123042421411 is a wasteful number, since it uses less digits than its factorization.

2123042421411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48933 (or 48927 counting only the distinct ones).

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

Adding to 2123042421411 its reverse (1141242403212), we get a palindrome (3264284824623).

The spelling of 2123042421411 in words is "two trillion, one hundred twenty-three billion, forty-two million, four hundred twenty-one thousand, four hundred eleven".