112120019887 has 2 divisors, whose sum is σ = 112120019888. Its totient is φ = 112120019886.

The previous prime is 112120019861. The next prime is 112120019897. The reversal of 112120019887 is 788910021211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112120019887 is a prime.

It is a super-2 number, since 2×112120019887² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112120019857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060009943 + 56060009944.

It is an arithmetic number, because the mean of its divisors is an integer number (56060009944).

Almost surely, 2^112120019887 is an apocalyptic number.

112120019887 is a deficient number, since it is larger than the sum of its proper divisors (1).

112120019887 is an equidigital number, since it uses as much as digits as its factorization.

112120019887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 40.

The spelling of 112120019887 in words is "one hundred twelve billion, one hundred twenty million, nineteen thousand, eight hundred eighty-seven".