122122144173 has 4 divisors (see below), whose sum is σ = 162829525568. Its totient is φ = 81414762780.

The previous prime is 122122144153. The next prime is 122122144213. The reversal of 122122144173 is 371441221221.

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 not a de Polignac number, because 122122144173 - 2⁵ = 122122144141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122122144173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122122144153) 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, 20353690693 + ... + 20353690698.

It is an arithmetic number, because the mean of its divisors is an integer number (40707381392).

Almost surely, 2^122122144173 is an apocalyptic number.

It is an amenable number.

122122144173 is a deficient number, since it is larger than the sum of its proper divisors (40707381395).

122122144173 is an equidigital number, since it uses as much as digits as its factorization.

122122144173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40707381394.

The product of its digits is 5376, while the sum is 30.

Adding to 122122144173 its reverse (371441221221), we get a palindrome (493563365394).

The spelling of 122122144173 in words is "one hundred twenty-two billion, one hundred twenty-two million, one hundred forty-four thousand, one hundred seventy-three".