199970011 has 2 divisors, whose sum is σ = 199970012. Its totient is φ = 199970010.

The previous prime is 199969967. The next prime is 199970021. The reversal of 199970011 is 110079991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199970011 - 2⁷ = 199969883 is a prime.

It is a super-3 number, since 3×199970011³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (199970021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99985005 + 99985006.

It is an arithmetic number, because the mean of its divisors is an integer number (99985006).

Almost surely, 2^199970011 is an apocalyptic number.

199970011 is a deficient number, since it is larger than the sum of its proper divisors (1).

199970011 is an equidigital number, since it uses as much as digits as its factorization.

199970011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 37.

The square root of 199970011 is about 14141.0753127193. The cubic root of 199970011 is about 584.7743167255.

It can be divided in two parts, 1999 and 70011, that added together give a triangular number (72010 = T₃₇₉).

The spelling of 199970011 in words is "one hundred ninety-nine million, nine hundred seventy thousand, eleven".