131222010211 has 4 divisors (see below), whose sum is σ = 131421133800. Its totient is φ = 131022886624.

The previous prime is 131222010163. The next prime is 131222010247. The reversal of 131222010211 is 112010222131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131222010211 - 2¹¹ = 131222008163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131222010281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99560806 + ... + 99562123.

It is an arithmetic number, because the mean of its divisors is an integer number (32855283450).

Almost surely, 2^131222010211 is an apocalyptic number.

131222010211 is a deficient number, since it is larger than the sum of its proper divisors (199123589).

131222010211 is an equidigital number, since it uses as much as digits as its factorization.

131222010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199123588.

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

Adding to 131222010211 its reverse (112010222131), we get a palindrome (243232232342).

The spelling of 131222010211 in words is "one hundred thirty-one billion, two hundred twenty-two million, ten thousand, two hundred eleven".