421244324111141 has 4 divisors (see below), whose sum is σ = 421273477999500. Its totient is φ = 421215170222784.

The previous prime is 421244324111123. The next prime is 421244324111197. The reversal of 421244324111141 is 141111423442124.

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 373736044720516 + 47508279390625 = 19332254^2 + 6892625^2 .

It is a cyclic number.

It is not a de Polignac number, because 421244324111141 - 2³⁴ = 421227144241957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421244324711141) 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, 14576922506 + ... + 14576951403.

It is an arithmetic number, because the mean of its divisors is an integer number (105318369499875).

Almost surely, 2^{421244324111141} is an apocalyptic number.

It is an amenable number.

421244324111141 is a deficient number, since it is larger than the sum of its proper divisors (29153888359).

421244324111141 is a wasteful number, since it uses less digits than its factorization.

421244324111141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29153888358.

The product of its digits is 24576, while the sum is 35.

Adding to 421244324111141 its reverse (141111423442124), we get a palindrome (562355747553265).

The spelling of 421244324111141 in words is "four hundred twenty-one trillion, two hundred forty-four billion, three hundred twenty-four million, one hundred eleven thousand, one hundred forty-one".