242242101 has 6 divisors (see below), whose sum is σ = 349905270. Its totient is φ = 161494728.

The previous prime is 242242073. The next prime is 242242123. The reversal of 242242101 is 101242242.

242242101 is a `hidden beast` number, since 242 + 2 + 421 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 121220100 + 121022001 = 11010^2 + 11001^2 .

It is not a de Polignac number, because 242242101 - 2⁶ = 242242037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242242151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13457886 + ... + 13457903.

It is an arithmetic number, because the mean of its divisors is an integer number (58317545).

Almost surely, 2^242242101 is an apocalyptic number.

It is an amenable number.

242242101 is a deficient number, since it is larger than the sum of its proper divisors (107663169).

242242101 is a wasteful number, since it uses less digits than its factorization.

242242101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26915795 (or 26915792 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 242242101 is about 15564.1286617658. The cubic root of 242242101 is about 623.3757085271.

Adding to 242242101 its reverse (101242242), we get a palindrome (343484343).

It can be divided in two parts, 242242 and 101, that multiplied together give a palindrome (24466442).

The spelling of 242242101 in words is "two hundred forty-two million, two hundred forty-two thousand, one hundred one".