2113340121243 has 96 divisors (see below), whose sum is σ = 3491218838016. Its totient is φ = 1220357827584.

The previous prime is 2113340121239. The next prime is 2113340121253. The reversal of 2113340121243 is 3421210433112.

2113340121243 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 3 + 401 + 212 + 43 = 666.

It is not a de Polignac number, because 2113340121243 - 2² = 2113340121239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2113340121253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1616938996 + ... + 1616940302.

It is an arithmetic number, because the mean of its divisors is an integer number (36366862896).

Almost surely, 2^{2113340121243} is an apocalyptic number.

2113340121243 is a deficient number, since it is larger than the sum of its proper divisors (1377878716773).

2113340121243 is a wasteful number, since it uses less digits than its factorization.

2113340121243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153 (or 3150 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 2113340121243 its reverse (3421210433112), we get a palindrome (5534550554355).

The spelling of 2113340121243 in words is "two trillion, one hundred thirteen billion, three hundred forty million, one hundred twenty-one thousand, two hundred forty-three".