242121100422 has 16 divisors (see below), whose sum is σ = 484528247280. Its totient is φ = 80659359072.

The previous prime is 242121100399. The next prime is 242121100471. The reversal of 242121100422 is 224001121242.

242121100422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11907597 + ... + 11927912.

It is an arithmetic number, because the mean of its divisors is an integer number (30283015455).

Almost surely, 2^242121100422 is an apocalyptic number.

242121100422 is an abundant number, since it is smaller than the sum of its proper divisors (242407146858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242121100422 is a wasteful number, since it uses less digits than its factorization.

242121100422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23837207.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 242121100422 its reverse (224001121242), we get a palindrome (466122221664).

The spelling of 242121100422 in words is "two hundred forty-two billion, one hundred twenty-one million, one hundred thousand, four hundred twenty-two".