242442421101 has 12 divisors (see below), whose sum is σ = 350202337212. Its totient is φ = 161624713536.

The previous prime is 242442421093. The next prime is 242442421127. The reversal of 242442421101 is 101124244242.

242442421101 is a `hidden beast` number, since 2 + 4 + 2 + 442 + 4 + 211 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 207238905225 + 35203515876 = 455235^2 + 187626^2 .

It is not a de Polignac number, because 242442421101 - 2³ = 242442421093 is a prime.

It is a super-2 number, since 2×242442421101² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242440421101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172195 + ... + 717311.

It is an arithmetic number, because the mean of its divisors is an integer number (29183528101).

Almost surely, 2^242442421101 is an apocalyptic number.

It is an amenable number.

242442421101 is a deficient number, since it is larger than the sum of its proper divisors (107759916111).

242442421101 is a wasteful number, since it uses less digits than its factorization.

242442421101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594540 (or 594537 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 242442421101 its reverse (101124244242), we get a palindrome (343566665343).

The spelling of 242442421101 in words is "two hundred forty-two billion, four hundred forty-two million, four hundred twenty-one thousand, one hundred one".