131222411123 has 4 divisors (see below), whose sum is σ = 131232829128. Its totient is φ = 131211993120.

The previous prime is 131222411113. The next prime is 131222411179. The reversal of 131222411123 is 321114222131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321114222131 = 79 ⋅4064736989.

It is a cyclic number.

It is not a de Polignac number, because 131222411123 - 2⁴ = 131222411107 is a prime.

It is a super-2 number, since 2×131222411123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131222411113) 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 3 ways as a sum of consecutive naturals, for example, 5190086 + ... + 5215307.

It is an arithmetic number, because the mean of its divisors is an integer number (32808207282).

Almost surely, 2^131222411123 is an apocalyptic number.

131222411123 is a deficient number, since it is larger than the sum of its proper divisors (10418005).

131222411123 is a wasteful number, since it uses less digits than its factorization.

131222411123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10418004.

The product of its digits is 576, while the sum is 23.

Adding to 131222411123 its reverse (321114222131), we get a palindrome (452336633254).

The spelling of 131222411123 in words is "one hundred thirty-one billion, two hundred twenty-two million, four hundred eleven thousand, one hundred twenty-three".