442141201044121 has 4 divisors (see below), whose sum is σ = 442886801721012. Its totient is φ = 441395600367232.

The previous prime is 442141201044077. The next prime is 442141201044199. The reversal of 442141201044121 is 121440102141244.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 330143957778496 + 111997243265625 = 18169864^2 + 10582875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442141201044121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442141201044421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372800337556 + ... + 372800338741.

It is an arithmetic number, because the mean of its divisors is an integer number (110721700430253).

Almost surely, 2^{442141201044121} is an apocalyptic number.

It is an amenable number.

442141201044121 is a deficient number, since it is larger than the sum of its proper divisors (745600676891).

442141201044121 is an equidigital number, since it uses as much as digits as its factorization.

442141201044121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745600676890.

The product of its (nonzero) digits is 8192, while the sum is 31.

Adding to 442141201044121 its reverse (121440102141244), we get a palindrome (563581303185365).

The spelling of 442141201044121 in words is "four hundred forty-two trillion, one hundred forty-one billion, two hundred one million, forty-four thousand, one hundred twenty-one".