210012011 has 16 divisors (see below), whose sum is σ = 246786048. Its totient is φ = 176721600.

The previous prime is 210011981. The next prime is 210012013. The reversal of 210012011 is 110210012.

It is not a de Polignac number, because 210012011 - 2²² = 205817707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210012011.

It is not an unprimeable number, because it can be changed into a prime (210012013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5546 + ... + 21231.

It is an arithmetic number, because the mean of its divisors is an integer number (15424128).

Almost surely, 2^210012011 is an apocalyptic number.

210012011 is a deficient number, since it is larger than the sum of its proper divisors (36774037).

210012011 is a wasteful number, since it uses less digits than its factorization.

210012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26842.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 210012011 is about 14491.7911591356. The cubic root of 210012011 is about 594.4035271946.

Adding to 210012011 its reverse (110210012), we get a palindrome (320222023).

The spelling of 210012011 in words is "two hundred ten million, twelve thousand, eleven".