201112019 has 2 divisors, whose sum is σ = 201112020. Its totient is φ = 201112018.

The previous prime is 201111991. The next prime is 201112031. The reversal of 201112019 is 910211102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201112019 - 2⁸ = 201111763 is a prime.

It is a super-2 number, since 2×201112019² = 80892088372512722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 201111988 and 201112006.

It is not a weakly prime, because it can be changed into another prime (201112099) 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 as a sum of consecutive naturals, namely, 100556009 + 100556010.

It is an arithmetic number, because the mean of its divisors is an integer number (100556010).

Almost surely, 2^201112019 is an apocalyptic number.

201112019 is a deficient number, since it is larger than the sum of its proper divisors (1).

201112019 is an equidigital number, since it uses as much as digits as its factorization.

201112019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 201112019 is about 14181.3969340118. The cubic root of 201112019 is about 585.8853994739.

The spelling of 201112019 in words is "two hundred one million, one hundred twelve thousand, nineteen".