105422455544421 has 16 divisors (see below), whose sum is σ = 141255946854720. Its totient is φ = 69935983071360.

The previous prime is 105422455544383. The next prime is 105422455544429. The reversal of 105422455544421 is 124445554224501.

It is not a de Polignac number, because 105422455544421 - 2¹⁹ = 105422455020133 is a prime.

It is a super-2 number, since 2×105422455544421² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105422455544429) 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 15 ways as a sum of consecutive naturals, for example, 84686511 + ... + 85922348.

It is an arithmetic number, because the mean of its divisors is an integer number (8828496678420).

Almost surely, 2^{105422455544421} is an apocalyptic number.

It is an amenable number.

105422455544421 is a deficient number, since it is larger than the sum of its proper divisors (35833491310299).

105422455544421 is a wasteful number, since it uses less digits than its factorization.

105422455544421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170609876.

The product of its (nonzero) digits is 5120000, while the sum is 48.

The spelling of 105422455544421 in words is "one hundred five trillion, four hundred twenty-two billion, four hundred fifty-five million, five hundred forty-four thousand, four hundred twenty-one".