2113123434441 has 4 divisors (see below), whose sum is σ = 2817497912592. Its totient is φ = 1408748956292.

The previous prime is 2113123434439. The next prime is 2113123434451. The reversal of 2113123434441 is 1444343213112.

It is a happy number.

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 2113123434441 - 2¹ = 2113123434439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2113123434451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352187239071 + ... + 352187239076.

It is an arithmetic number, because the mean of its divisors is an integer number (704374478148).

Almost surely, 2^{2113123434441} is an apocalyptic number.

It is an amenable number.

2113123434441 is a deficient number, since it is larger than the sum of its proper divisors (704374478151).

2113123434441 is an equidigital number, since it uses as much as digits as its factorization.

2113123434441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704374478150.

The product of its digits is 27648, while the sum is 33.

Adding to 2113123434441 its reverse (1444343213112), we get a palindrome (3557466647553).

The spelling of 2113123434441 in words is "two trillion, one hundred thirteen billion, one hundred twenty-three million, four hundred thirty-four thousand, four hundred forty-one".