100242121340242 has 32 divisors (see below), whose sum is σ = 172104008486400. Its totient is φ = 42895819911168.

The previous prime is 100242121340177. The next prime is 100242121340261. The reversal of 100242121340242 is 242043121242001.

It is a self number, because there is not a number n which added to its sum of digits gives 100242121340242.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368443234 + ... + 368715202.

It is an arithmetic number, because the mean of its divisors is an integer number (5378250265200).

Almost surely, 2^{100242121340242} is an apocalyptic number.

100242121340242 is a deficient number, since it is larger than the sum of its proper divisors (71861887146158).

100242121340242 is a wasteful number, since it uses less digits than its factorization.

100242121340242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311770.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 100242121340242 its reverse (242043121242001), we get a palindrome (342285242582243).

The spelling of 100242121340242 in words is "one hundred trillion, two hundred forty-two billion, one hundred twenty-one million, three hundred forty thousand, two hundred forty-two".