112131102331081 has 2 divisors, whose sum is σ = 112131102331082. Its totient is φ = 112131102331080.

The previous prime is 112131102331013. The next prime is 112131102331207. The reversal of 112131102331081 is 180133201131211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75317820245056 + 36813282086025 = 8678584^2 + 6067395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112131102331081 is a prime.

It is a super-2 number, since 2×112131102331081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112131102331481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56065551165540 + 56065551165541.

It is an arithmetic number, because the mean of its divisors is an integer number (56065551165541).

Almost surely, 2^{112131102331081} is an apocalyptic number.

It is an amenable number.

112131102331081 is a deficient number, since it is larger than the sum of its proper divisors (1).

112131102331081 is an equidigital number, since it uses as much as digits as its factorization.

112131102331081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

Adding to 112131102331081 its reverse (180133201131211), we get a palindrome (292264303462292).

The spelling of 112131102331081 in words is "one hundred twelve trillion, one hundred thirty-one billion, one hundred two million, three hundred thirty-one thousand, eighty-one".