242711101 has 2 divisors, whose sum is σ = 242711102. Its totient is φ = 242711100.

The previous prime is 242711089. The next prime is 242711129. The reversal of 242711101 is 101117242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144720900 + 97990201 = 12030^2 + 9899^2 .

It is a cyclic number.

It is not a de Polignac number, because 242711101 - 2²¹ = 240613949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242711171) 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 as a sum of consecutive naturals, namely, 121355550 + 121355551.

It is an arithmetic number, because the mean of its divisors is an integer number (121355551).

Almost surely, 2^242711101 is an apocalyptic number.

It is an amenable number.

242711101 is a deficient number, since it is larger than the sum of its proper divisors (1).

242711101 is an equidigital number, since it uses as much as digits as its factorization.

242711101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 242711101 is about 15579.1880725537. The cubic root of 242711101 is about 623.7777508493. Note that the first 4 decimals are identical.

Adding to 242711101 its reverse (101117242), we get a palindrome (343828343).

The spelling of 242711101 in words is "two hundred forty-two million, seven hundred eleven thousand, one hundred one".