199071011 has 2 divisors, whose sum is σ = 199071012. Its totient is φ = 199071010.

The previous prime is 199070983. The next prime is 199071077. The reversal of 199071011 is 110170991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199071011 - 2⁶ = 199070947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (199073011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99535505 + 99535506.

It is an arithmetic number, because the mean of its divisors is an integer number (99535506).

Almost surely, 2^199071011 is an apocalyptic number.

199071011 is a deficient number, since it is larger than the sum of its proper divisors (1).

199071011 is an equidigital number, since it uses as much as digits as its factorization.

199071011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 29.

The square root of 199071011 is about 14109.2526733346. The cubic root of 199071011 is about 583.8966819713.

The spelling of 199071011 in words is "one hundred ninety-nine million, seventy-one thousand, eleven".