131320221122 has 16 divisors (see below), whose sum is σ = 197632436352. Its totient is φ = 65442952080.

The previous prime is 131320221089. The next prime is 131320221157. The reversal of 131320221122 is 221122023131.

It is a junction number, because it is equal to n+sod(n) for n = 131320221094 and 131320221103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226513 + ... + 1329275.

It is an arithmetic number, because the mean of its divisors is an integer number (12352027272).

Almost surely, 2^131320221122 is an apocalyptic number.

131320221122 is a deficient number, since it is larger than the sum of its proper divisors (66312215230).

131320221122 is a wasteful number, since it uses less digits than its factorization.

131320221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104873.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 131320221122 its reverse (221122023131), we get a palindrome (352442244253).

The spelling of 131320221122 in words is "one hundred thirty-one billion, three hundred twenty million, two hundred twenty-one thousand, one hundred twenty-two".