2124211421113 has 4 divisors (see below), whose sum is σ = 2127321541008. Its totient is φ = 2121101301220.

The previous prime is 2124211421099. The next prime is 2124211421161. The reversal of 2124211421113 is 3111241124212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2124211421113 - 2²⁹ = 2123674550201 is a prime.

It is a super-2 number, since 2×2124211421113² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124211421173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1555058923 + ... + 1555060288.

It is an arithmetic number, because the mean of its divisors is an integer number (531830385252).

Almost surely, 2^{2124211421113} is an apocalyptic number.

It is an amenable number.

2124211421113 is a deficient number, since it is larger than the sum of its proper divisors (3110119895).

2124211421113 is an equidigital number, since it uses as much as digits as its factorization.

2124211421113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110119894.

The product of its digits is 768, while the sum is 25.

Adding to 2124211421113 its reverse (3111241124212), we get a palindrome (5235452545325).

The spelling of 2124211421113 in words is "two trillion, one hundred twenty-four billion, two hundred eleven million, four hundred twenty-one thousand, one hundred thirteen".