243051041121 has 24 divisors (see below), whose sum is σ = 396818030880. Its totient is φ = 131576501952.

The previous prime is 243051041111. The next prime is 243051041137. The reversal of 243051041121 is 121140150342.

It is not a de Polignac number, because 243051041121 - 2¹⁰ = 243051040097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243051041091 and 243051041100.

It is not an unprimeable number, because it can be changed into a prime (243051041111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43507956 + ... + 43513541.

It is an arithmetic number, because the mean of its divisors is an integer number (16534084620).

Almost surely, 2^243051041121 is an apocalyptic number.

243051041121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

243051041121 is a deficient number, since it is larger than the sum of its proper divisors (153766989759).

243051041121 is a wasteful number, since it uses less digits than its factorization.

243051041121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87021533 (or 87021526 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 243051041121 its reverse (121140150342), we get a palindrome (364191191463).

The spelling of 243051041121 in words is "two hundred forty-three billion, fifty-one million, forty-one thousand, one hundred twenty-one".