211006103 has 24 divisors (see below), whose sum is σ = 268770960. Its totient is φ = 163806720.

The previous prime is 211006099. The next prime is 211006127. The reversal of 211006103 is 301600112.

It is not a de Polignac number, because 211006103 - 2² = 211006099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211006183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189713 + ... + 190821.

It is an arithmetic number, because the mean of its divisors is an integer number (11198790).

Almost surely, 2^211006103 is an apocalyptic number.

211006103 is a deficient number, since it is larger than the sum of its proper divisors (57764857).

211006103 is a wasteful number, since it uses less digits than its factorization.

211006103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 211006103 is about 14526.0491187384. The cubic root of 211006103 is about 595.3399211077.

Adding to 211006103 its reverse (301600112), we get a palindrome (512606215).

The spelling of 211006103 in words is "two hundred eleven million, six thousand, one hundred three".