105444421141 has 4 divisors (see below), whose sum is σ = 105445604800. Its totient is φ = 105443237484.

The previous prime is 105444421079. The next prime is 105444421207. The reversal of 105444421141 is 141124444501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 141124444501 = 13219 ⋅10675879.

It is a cyclic number.

It is not a de Polignac number, because 105444421141 - 2¹⁷ = 105444290069 is a prime.

It is a super-2 number, since 2×105444421141² (a number of 23 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 (105444401141) 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, 446271 + ... + 640348.

It is an arithmetic number, because the mean of its divisors is an integer number (26361401200).

Almost surely, 2^105444421141 is an apocalyptic number.

It is an amenable number.

105444421141 is a deficient number, since it is larger than the sum of its proper divisors (1183659).

105444421141 is an equidigital number, since it uses as much as digits as its factorization.

105444421141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183658.

The product of its (nonzero) digits is 10240, while the sum is 31.

Adding to 105444421141 its reverse (141124444501), we get a palindrome (246568865642).

The spelling of 105444421141 in words is "one hundred five billion, four hundred forty-four million, four hundred twenty-one thousand, one hundred forty-one".