131610811012121 has 8 divisors (see below), whose sum is σ = 150506304459264. Its totient is φ = 112738804819200.

The previous prime is 131610811012061. The next prime is 131610811012123. The reversal of 131610811012121 is 121210118016131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131610811012121 - 2³⁸ = 131335933105177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131610811012123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5871801545 + ... + 5871823958.

It is an arithmetic number, because the mean of its divisors is an integer number (18813288057408).

Almost surely, 2^{131610811012121} is an apocalyptic number.

It is an amenable number.

131610811012121 is a deficient number, since it is larger than the sum of its proper divisors (18895493447143).

131610811012121 is a wasteful number, since it uses less digits than its factorization.

131610811012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11743627111.

The product of its (nonzero) digits is 576, while the sum is 29.

Adding to 131610811012121 its reverse (121210118016131), we get a palindrome (252820929028252).

The spelling of 131610811012121 in words is "one hundred thirty-one trillion, six hundred ten billion, eight hundred eleven million, twelve thousand, one hundred twenty-one".