211203106 has 16 divisors (see below), whose sum is σ = 323104320. Its totient is φ = 103513680.

The previous prime is 211203079. The next prime is 211203119. The reversal of 211203106 is 601302112.

211203106 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 211203106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34635 + ... + 40273.

It is an arithmetic number, because the mean of its divisors is an integer number (20194020).

Almost surely, 2^211203106 is an apocalyptic number.

211203106 is a deficient number, since it is larger than the sum of its proper divisors (111901214).

211203106 is a wasteful number, since it uses less digits than its factorization.

211203106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6009.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 211203106 is about 14532.8285615705. The cubic root of 211203106 is about 595.5251405044.

Adding to 211203106 its reverse (601302112), we get a palindrome (812505218).

The spelling of 211203106 in words is "two hundred eleven million, two hundred three thousand, one hundred six".