103102221 has 16 divisors (see below), whose sum is σ = 142767360. Its totient is φ = 66104640.

The previous prime is 103102201. The next prime is 103102243. The reversal of 103102221 is 122201301.

It is not a de Polignac number, because 103102221 - 2²² = 98907917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103102197 and 103102206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103102201) 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, 21391 + ... + 25763.

It is an arithmetic number, because the mean of its divisors is an integer number (8922960).

Almost surely, 2^103102221 is an apocalyptic number.

It is an amenable number.

103102221 is a deficient number, since it is larger than the sum of its proper divisors (39665139).

103102221 is a wasteful number, since it uses less digits than its factorization.

103102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4676.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 103102221 is about 10153.9263834243. The cubic root of 103102221 is about 468.9098333520.

Adding to 103102221 its reverse (122201301), we get a palindrome (225303522).

The spelling of 103102221 in words is "one hundred three million, one hundred two thousand, two hundred twenty-one".