103217211 has 12 divisors (see below), whose sum is σ = 149267040. Its totient is φ = 68730480.

The previous prime is 103217209. The next prime is 103217237. The reversal of 103217211 is 112712301.

It is a happy number.

It is not a de Polignac number, because 103217211 - 2¹ = 103217209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103217281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1905 + ... + 14493.

It is an arithmetic number, because the mean of its divisors is an integer number (12438920).

Almost surely, 2^103217211 is an apocalyptic number.

103217211 is a deficient number, since it is larger than the sum of its proper divisors (46049829).

103217211 is a wasteful number, since it uses less digits than its factorization.

103217211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13506 (or 13503 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 103217211 is about 10159.5871471236. The cubic root of 103217211 is about 469.0840937703.

Adding to 103217211 its reverse (112712301), we get a palindrome (215929512).

The spelling of 103217211 in words is "one hundred three million, two hundred seventeen thousand, two hundred eleven".