131310221122112 has 28 divisors (see below), whose sum is σ = 260585834255280. Its totient is φ = 65650798317696.

The previous prime is 131310221122103. The next prime is 131310221122169. The reversal of 131310221122112 is 211221122013131.

It is a super-2 number, since 2×131310221122112² (a number of 29 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 66396662 + ... + 68345717.

Almost surely, 2^{131310221122112} is an apocalyptic number.

It is an amenable number.

131310221122112 is a deficient number, since it is larger than the sum of its proper divisors (129275613133168).

131310221122112 is a wasteful number, since it uses less digits than its factorization.

131310221122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134757618 (or 134757608 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 131310221122112 its reverse (211221122013131), we get a palindrome (342531343135243).

The spelling of 131310221122112 in words is "one hundred thirty-one trillion, three hundred ten billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred twelve".