131201221133101 has 16 divisors (see below), whose sum is σ = 151126170218496. Its totient is φ = 111571766119296.

The previous prime is 131201221133089. The next prime is 131201221133161. The reversal of 131201221133101 is 101331122102131.

It is not a de Polignac number, because 131201221133101 - 2⁵ = 131201221133069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131201221133161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119912235 + ... + 121001431.

It is an arithmetic number, because the mean of its divisors is an integer number (9445385638656).

Almost surely, 2^{131201221133101} is an apocalyptic number.

It is an amenable number.

131201221133101 is a deficient number, since it is larger than the sum of its proper divisors (19924949085395).

131201221133101 is a wasteful number, since it uses less digits than its factorization.

131201221133101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224828.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 131201221133101 its reverse (101331122102131), we get a palindrome (232532343235232).

The spelling of 131201221133101 in words is "one hundred thirty-one trillion, two hundred one billion, two hundred twenty-one million, one hundred thirty-three thousand, one hundred one".