131113123222 has 16 divisors (see below), whose sum is σ = 196933136400. Its totient is φ = 65468794752.

The previous prime is 131113123187. The next prime is 131113123241. The reversal of 131113123222 is 222321311131.

It is a super-2 number, since 2×131113123222² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131113123193 and 131113123202.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6184813 + ... + 6205975.

It is an arithmetic number, because the mean of its divisors is an integer number (12308321025).

Almost surely, 2^131113123222 is an apocalyptic number.

131113123222 is a deficient number, since it is larger than the sum of its proper divisors (65820013178).

131113123222 is a wasteful number, since it uses less digits than its factorization.

131113123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25167.

The product of its digits is 432, while the sum is 22.

Adding to 131113123222 its reverse (222321311131), we get a palindrome (353434434353).

The spelling of 131113123222 in words is "one hundred thirty-one billion, one hundred thirteen million, one hundred twenty-three thousand, two hundred twenty-two".