242532542101 has 4 divisors (see below), whose sum is σ = 242607842604. Its totient is φ = 242457241600.

The previous prime is 242532542071. The next prime is 242532542113. The reversal of 242532542101 is 101245235242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95341383076 + 147191159025 = 308774^2 + 383655^2 .

It is a cyclic number.

It is not a de Polignac number, because 242532542101 - 2¹³ = 242532533909 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 (242532542701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37645420 + ... + 37651861.

It is an arithmetic number, because the mean of its divisors is an integer number (60651960651).

Almost surely, 2^242532542101 is an apocalyptic number.

It is an amenable number.

242532542101 is a deficient number, since it is larger than the sum of its proper divisors (75300503).

242532542101 is an equidigital number, since it uses as much as digits as its factorization.

242532542101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75300502.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 242532542101 its reverse (101245235242), we get a palindrome (343777777343).

The spelling of 242532542101 in words is "two hundred forty-two billion, five hundred thirty-two million, five hundred forty-two thousand, one hundred one".