42401242212101 has 4 divisors (see below), whose sum is σ = 43119907334400. Its totient is φ = 41682577089804.

The previous prime is 42401242212029. The next prime is 42401242212143. The reversal of 42401242212101 is 10121224210424.

42401242212101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42401242212101 - 2¹⁰ = 42401242211077 is a prime.

It is a super-2 number, since 2×42401242212101² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42401242212191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359332561061 + ... + 359332561178.

It is an arithmetic number, because the mean of its divisors is an integer number (10779976833600).

Almost surely, 2^{42401242212101} is an apocalyptic number.

It is an amenable number.

42401242212101 is a deficient number, since it is larger than the sum of its proper divisors (718665122299).

42401242212101 is an equidigital number, since it uses as much as digits as its factorization.

42401242212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718665122298.

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 42401242212101 its reverse (10121224210424), we get a palindrome (52522466422525).

The spelling of 42401242212101 in words is "forty-two trillion, four hundred one billion, two hundred forty-two million, two hundred twelve thousand, one hundred one".