242112123101 has 4 divisors (see below), whose sum is σ = 245176833600. Its totient is φ = 239047412604.

The previous prime is 242112123089. The next prime is 242112123103. The reversal of 242112123101 is 101321211242.

242112123101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-242112123101 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 (242112123103) 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 3 ways as a sum of consecutive naturals, for example, 1532355131 + ... + 1532355288.

It is an arithmetic number, because the mean of its divisors is an integer number (61294208400).

Almost surely, 2^242112123101 is an apocalyptic number.

It is an amenable number.

242112123101 is a deficient number, since it is larger than the sum of its proper divisors (3064710499).

242112123101 is an equidigital number, since it uses as much as digits as its factorization.

242112123101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064710498.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 242112123101 its reverse (101321211242), we get a palindrome (343433334343).

The spelling of 242112123101 in words is "two hundred forty-two billion, one hundred twelve million, one hundred twenty-three thousand, one hundred one".