243102112001 has 4 divisors (see below), whose sum is σ = 277830985152. Its totient is φ = 208373238852.

The previous prime is 243102111979. The next prime is 243102112031. The reversal of 243102112001 is 100211201342.

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 243102112001 - 2¹⁴ = 243102095617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243102112031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17364436565 + ... + 17364436578.

It is an arithmetic number, because the mean of its divisors is an integer number (69457746288).

Almost surely, 2^243102112001 is an apocalyptic number.

It is an amenable number.

243102112001 is a deficient number, since it is larger than the sum of its proper divisors (34728873151).

243102112001 is an equidigital number, since it uses as much as digits as its factorization.

243102112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34728873150.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 243102112001 its reverse (100211201342), we get a palindrome (343313313343).

The spelling of 243102112001 in words is "two hundred forty-three billion, one hundred two million, one hundred twelve thousand, one".