243120301101 has 6 divisors (see below), whose sum is σ = 351173768270. Its totient is φ = 162080200728.

The previous prime is 243120301087. The next prime is 243120301141. The reversal of 243120301101 is 101103021342.

243120301101 is a `hidden beast` number, since 243 + 1 + 20 + 301 + 101 = 666.

It can be written as a sum of positive squares in only one way, i.e., 241031902500 + 2088398601 = 490950^2 + 45699^2 .

It is not a de Polignac number, because 243120301101 - 2⁶ = 243120301037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243120301141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13506683386 + ... + 13506683403.

Almost surely, 2^243120301101 is an apocalyptic number.

It is an amenable number.

243120301101 is a deficient number, since it is larger than the sum of its proper divisors (108053467169).

243120301101 is a wasteful number, since it uses less digits than its factorization.

243120301101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27013366795 (or 27013366792 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 243120301101 its reverse (101103021342), we get a palindrome (344223322443).

The spelling of 243120301101 in words is "two hundred forty-three billion, one hundred twenty million, three hundred one thousand, one hundred one".