112142139971 has 2 divisors, whose sum is σ = 112142139972. Its totient is φ = 112142139970.

The previous prime is 112142139931. The next prime is 112142140001. The reversal of 112142139971 is 179931241211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112142139971 - 2¹⁰ = 112142138947 is a prime.

It is not a weakly prime, because it can be changed into another prime (112142139931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56071069985 + 56071069986.

It is an arithmetic number, because the mean of its divisors is an integer number (56071069986).

Almost surely, 2^112142139971 is an apocalyptic number.

112142139971 is a deficient number, since it is larger than the sum of its proper divisors (1).

112142139971 is an equidigital number, since it uses as much as digits as its factorization.

112142139971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 41.

The spelling of 112142139971 in words is "one hundred twelve billion, one hundred forty-two million, one hundred thirty-nine thousand, nine hundred seventy-one".