131110112101 has 4 divisors (see below), whose sum is σ = 131113919052. Its totient is φ = 131106305152.

The previous prime is 131110112099. The next prime is 131110112131. The reversal of 131110112101 is 101211011131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101211011131 = 15271 ⋅6627661.

It can be written as a sum of positive squares in 2 ways, for example, as 50175552001 + 80934560100 = 223999^2 + 284490^2 .

It is a cyclic number.

It is not a de Polignac number, because 131110112101 - 2¹ = 131110112099 is a prime.

It is a super-2 number, since 2×131110112101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131110112131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1851340 + ... + 1920853.

It is an arithmetic number, because the mean of its divisors is an integer number (32778479763).

Almost surely, 2^131110112101 is an apocalyptic number.

It is an amenable number.

131110112101 is a deficient number, since it is larger than the sum of its proper divisors (3806951).

131110112101 is an equidigital number, since it uses as much as digits as its factorization.

131110112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806950.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 131110112101 its reverse (101211011131), we get a palindrome (232321123232).

The spelling of 131110112101 in words is "one hundred thirty-one billion, one hundred ten million, one hundred twelve thousand, one hundred one".