242111137 has 2 divisors, whose sum is σ = 242111138. Its totient is φ = 242111136.

The previous prime is 242111119. The next prime is 242111153. The reversal of 242111137 is 731111242.

It is a happy number.

242111137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143784081 + 98327056 = 11991^2 + 9916^2 .

It is a cyclic number.

It is not a de Polignac number, because 242111137 - 2¹¹ = 242109089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242112137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121055568 + 121055569.

It is an arithmetic number, because the mean of its divisors is an integer number (121055569).

Almost surely, 2^242111137 is an apocalyptic number.

It is an amenable number.

242111137 is a deficient number, since it is larger than the sum of its proper divisors (1).

242111137 is an equidigital number, since it uses as much as digits as its factorization.

242111137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 22.

The square root of 242111137 is about 15559.9208545545. The cubic root of 242111137 is about 623.2633491798.

Adding to 242111137 its reverse (731111242), we get a palindrome (973222379).

The spelling of 242111137 in words is "two hundred forty-two million, one hundred eleven thousand, one hundred thirty-seven".