111342240101 has 2 divisors, whose sum is σ = 111342240102. Its totient is φ = 111342240100.

The previous prime is 111342240091. The next prime is 111342240109. The reversal of 111342240101 is 101042243111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86878152001 + 24464088100 = 294751^2 + 156410^2 .

It is a cyclic number.

It is not a de Polignac number, because 111342240101 - 2¹⁴ = 111342223717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111342240109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55671120050 + 55671120051.

It is an arithmetic number, because the mean of its divisors is an integer number (55671120051).

Almost surely, 2^111342240101 is an apocalyptic number.

It is an amenable number.

111342240101 is a deficient number, since it is larger than the sum of its proper divisors (1).

111342240101 is an equidigital number, since it uses as much as digits as its factorization.

111342240101 is an evil number, because the sum of its binary digits is even.

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

Adding to 111342240101 its reverse (101042243111), we get a palindrome (212384483212).

The spelling of 111342240101 in words is "one hundred eleven billion, three hundred forty-two million, two hundred forty thousand, one hundred one".