42241023331121 has 4 divisors (see below), whose sum is σ = 42241650687600. Its totient is φ = 42240395974644.

The previous prime is 42241023331057. The next prime is 42241023331141. The reversal of 42241023331121 is 12113332014224.

It is a happy number.

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 42241023331121 - 2⁶ = 42241023331057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42241023331141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 313577231 + ... + 313711908.

It is an arithmetic number, because the mean of its divisors is an integer number (10560412671900).

Almost surely, 2^{42241023331121} is an apocalyptic number.

It is an amenable number.

42241023331121 is a deficient number, since it is larger than the sum of its proper divisors (627356479).

42241023331121 is an equidigital number, since it uses as much as digits as its factorization.

42241023331121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627356478.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 42241023331121 its reverse (12113332014224), we get a palindrome (54354355345345).

The spelling of 42241023331121 in words is "forty-two trillion, two hundred forty-one billion, twenty-three million, three hundred thirty-one thousand, one hundred twenty-one".