201100400010242 has 8 divisors (see below), whose sum is σ = 301650676926096. Its totient is φ = 100550174368212.

The previous prime is 201100400010239. The next prime is 201100400010247. The reversal of 201100400010242 is 242010004001102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 201100400010242.

It is not an unprimeable number, because it can be changed into a prime (201100400010247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 735188 + ... + 20068415.

It is an arithmetic number, because the mean of its divisors is an integer number (37706334615762).

Almost surely, 2^{201100400010242} is an apocalyptic number.

201100400010242 is a deficient number, since it is larger than the sum of its proper divisors (100550276915854).

201100400010242 is a wasteful number, since it uses less digits than its factorization.

201100400010242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25636912.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201100400010242 its reverse (242010004001102), we get a palindrome (443110404011344).

The spelling of 201100400010242 in words is "two hundred one trillion, one hundred billion, four hundred million, ten thousand, two hundred forty-two".