112011919 has 2 divisors, whose sum is σ = 112011920. Its totient is φ = 112011918.

The previous prime is 112011917. The next prime is 112011923. The reversal of 112011919 is 919110211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112011919 - 2¹ = 112011917 is a prime.

It is a super-2 number, since 2×112011919² = 25093339996125122, which contains 22 as substring.

Together with 112011917, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 112011893 and 112011902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112011917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56005959 + 56005960.

It is an arithmetic number, because the mean of its divisors is an integer number (56005960).

Almost surely, 2^112011919 is an apocalyptic number.

112011919 is a deficient number, since it is larger than the sum of its proper divisors (1).

112011919 is an equidigital number, since it uses as much as digits as its factorization.

112011919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 25.

The square root of 112011919 is about 10583.5683490966. The cubic root of 112011919 is about 482.0455513271.

The spelling of 112011919 in words is "one hundred twelve million, eleven thousand, nine hundred nineteen".