242100121300442 has 16 divisors (see below), whose sum is σ = 378939798348480. Its totient is φ = 115786868463552.

The previous prime is 242100121300379. The next prime is 242100121300451. The reversal of 242100121300442 is 244003121001242.

It is a super-2 number, since 2×242100121300442² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39469913 + ... + 45189315.

It is an arithmetic number, because the mean of its divisors is an integer number (23683737396780).

Almost surely, 2^{242100121300442} is an apocalyptic number.

242100121300442 is a deficient number, since it is larger than the sum of its proper divisors (136839677048038).

242100121300442 is a wasteful number, since it uses less digits than its factorization.

242100121300442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6639637.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 242100121300442 its reverse (244003121001242), we get a palindrome (486103242301684).

The spelling of 242100121300442 in words is "two hundred forty-two trillion, one hundred billion, one hundred twenty-one million, three hundred thousand, four hundred forty-two".