242621340106 has 4 divisors (see below), whose sum is σ = 363932010162. Its totient is φ = 121310670052.

The previous prime is 242621340079. The next prime is 242621340127. The reversal of 242621340106 is 601043126242.

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

It can be written as a sum of positive squares in only one way, i.e., 235330741881 + 7290598225 = 485109^2 + 85385^2 .

It is a super-2 number, since 2×242621340106² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60655335025 + ... + 60655335028.

Almost surely, 2^242621340106 is an apocalyptic number.

242621340106 is a deficient number, since it is larger than the sum of its proper divisors (121310670056).

242621340106 is a wasteful number, since it uses less digits than its factorization.

242621340106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121310670055.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 242621340106 its reverse (601043126242), we get a palindrome (843664466348).

The spelling of 242621340106 in words is "two hundred forty-two billion, six hundred twenty-one million, three hundred forty thousand, one hundred six".