131222311224201 has 12 divisors (see below), whose sum is σ = 189662025580612. Its totient is φ = 87426762133536.

The previous prime is 131222311224149. The next prime is 131222311224223. The reversal of 131222311224201 is 102422113222131.

131222311224201 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 2 + 231 + 1 + 2 + 2 + 420 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 73312570300176 + 57909740924025 = 8562276^2 + 7609845^2 .

It is not a de Polignac number, because 131222311224201 - 2²² = 131222307029897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131222311222201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4564875046 + ... + 4564903791.

Almost surely, 2^{131222311224201} is an apocalyptic number.

It is an amenable number.

131222311224201 is a deficient number, since it is larger than the sum of its proper divisors (58439714356411).

131222311224201 is a wasteful number, since it uses less digits than its factorization.

131222311224201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9129780440 (or 9129780437 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 131222311224201 its reverse (102422113222131), we get a palindrome (233644424446332).

The spelling of 131222311224201 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, three hundred eleven million, two hundred twenty-four thousand, two hundred one".