103216611 has 4 divisors (see below), whose sum is σ = 137622152. Its totient is φ = 68811072.

The previous prime is 103216601. The next prime is 103216637. The reversal of 103216611 is 116612301.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 103216611 - 2¹⁰ = 103215587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103216601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17202766 + ... + 17202771.

It is an arithmetic number, because the mean of its divisors is an integer number (34405538).

Almost surely, 2^103216611 is an apocalyptic number.

103216611 is a deficient number, since it is larger than the sum of its proper divisors (34405541).

103216611 is an equidigital number, since it uses as much as digits as its factorization.

103216611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34405540.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 103216611 is about 10159.5576183218. The cubic root of 103216611 is about 469.0831848424.

Adding to 103216611 its reverse (116612301), we get a palindrome (219828912).

The spelling of 103216611 in words is "one hundred three million, two hundred sixteen thousand, six hundred eleven".