131100221122 has 32 divisors (see below), whose sum is σ = 232615797120. Its totient is φ = 54830856960.

The previous prime is 131100221113. The next prime is 131100221167. The reversal of 131100221122 is 221122001131.

It is a junction number, because it is equal to n+sod(n) for n = 131100221096 and 131100221105.

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 15 ways as a sum of consecutive naturals, for example, 5757879 + ... + 5780602.

It is an arithmetic number, because the mean of its divisors is an integer number (7269243660).

Almost surely, 2^131100221122 is an apocalyptic number.

131100221122 is a deficient number, since it is larger than the sum of its proper divisors (101515575998).

131100221122 is a wasteful number, since it uses less digits than its factorization.

131100221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11538538.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 131100221122 its reverse (221122001131), we get a palindrome (352222222253).

The spelling of 131100221122 in words is "one hundred thirty-one billion, one hundred million, two hundred twenty-one thousand, one hundred twenty-two".