131011122201 has 16 divisors (see below), whose sum is σ = 176073542400. Its totient is φ = 86645692368.

The previous prime is 131011122091. The next prime is 131011122233. The reversal of 131011122201 is 102221110131.

It is not a de Polignac number, because 131011122201 - 2¹⁰ = 131011121177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131011122601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424830 + ... + 665208.

It is an arithmetic number, because the mean of its divisors is an integer number (11004596400).

Almost surely, 2^131011122201 is an apocalyptic number.

It is an amenable number.

131011122201 is a deficient number, since it is larger than the sum of its proper divisors (45062420199).

131011122201 is a wasteful number, since it uses less digits than its factorization.

131011122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241828.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 131011122201 its reverse (102221110131), we get a palindrome (233232232332).

The spelling of 131011122201 in words is "one hundred thirty-one billion, eleven million, one hundred twenty-two thousand, two hundred one".