243121130411 has 32 divisors (see below), whose sum is σ = 264751872000. Its totient is φ = 222504952320.

The previous prime is 243121130407. The next prime is 243121130437. The reversal of 243121130411 is 114031121342.

243121130411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 243121130411 - 2² = 243121130407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243121130491) 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 31 ways as a sum of consecutive naturals, for example, 29333510 + ... + 29341796.

It is an arithmetic number, because the mean of its divisors is an integer number (8273496000).

Almost surely, 2^243121130411 is an apocalyptic number.

243121130411 is a deficient number, since it is larger than the sum of its proper divisors (21630741589).

243121130411 is a wasteful number, since it uses less digits than its factorization.

243121130411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8739.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 243121130411 its reverse (114031121342), we get a palindrome (357152251753).

The spelling of 243121130411 in words is "two hundred forty-three billion, one hundred twenty-one million, one hundred thirty thousand, four hundred eleven".