199210011 has 32 divisors (see below), whose sum is σ = 356633088. Its totient is φ = 95523840.

The previous prime is 199210009. The next prime is 199210031. The reversal of 199210011 is 110012991.

It is not a de Polignac number, because 199210011 - 2¹ = 199210009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (199210031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30166 + ... + 36171.

It is an arithmetic number, because the mean of its divisors is an integer number (11144784).

Almost surely, 2^199210011 is an apocalyptic number.

199210011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

199210011 is a deficient number, since it is larger than the sum of its proper divisors (157423077).

199210011 is a wasteful number, since it uses less digits than its factorization.

199210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66371.

The product of its (nonzero) digits is 162, while the sum is 24.

The square root of 199210011 is about 14114.1776593608. The cubic root of 199210011 is about 584.0325510020.

The spelling of 199210011 in words is "one hundred ninety-nine million, two hundred ten thousand, eleven".