242121352104 has 48 divisors (see below), whose sum is σ = 657033729300. Its totient is φ = 80548545024.

The previous prime is 242121352097. The next prime is 242121352127. The reversal of 242121352104 is 401253121242.

242121352104 is a `hidden beast` number, since 2 + 421 + 2 + 135 + 2 + 104 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 230544022500 + 11577329604 = 480150^2 + 107598^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3266689 + ... + 3339984.

Almost surely, 2^242121352104 is an apocalyptic number.

242121352104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

242121352104 is an abundant number, since it is smaller than the sum of its proper divisors (414912377196).

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

242121352104 is a wasteful number, since it uses less digits than its factorization.

242121352104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6607194 (or 6607187 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 242121352104 its reverse (401253121242), we get a palindrome (643374473346).

The spelling of 242121352104 in words is "two hundred forty-two billion, one hundred twenty-one million, three hundred fifty-two thousand, one hundred four".