243102021101 has 8 divisors (see below), whose sum is σ = 247717860000. Its totient is φ = 238502697840.

The previous prime is 243102021037. The next prime is 243102021221. The reversal of 243102021101 is 101120201342.

243102021101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243102021101 - 2⁶ = 243102021037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243102021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243102020101) 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 7 ways as a sum of consecutive naturals, for example, 4099190 + ... + 4158071.

It is an arithmetic number, because the mean of its divisors is an integer number (30964732500).

Almost surely, 2^243102021101 is an apocalyptic number.

It is an amenable number.

243102021101 is a deficient number, since it is larger than the sum of its proper divisors (4615838899).

243102021101 is an equidigital number, since it uses as much as digits as its factorization.

243102021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8257819.

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

Adding to 243102021101 its reverse (101120201342), we get a palindrome (344222222443).

The spelling of 243102021101 in words is "two hundred forty-three billion, one hundred two million, twenty-one thousand, one hundred one".