2103102221 has 8 divisors (see below), whose sum is σ = 2394045504. Its totient is φ = 1828784320.

The previous prime is 2103102167. The next prime is 2103102241. The reversal of 2103102221 is 1222013012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2103102221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2103102196 and 2103102205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103102241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4156076 + ... + 4156581.

It is an arithmetic number, because the mean of its divisors is an integer number (299255688).

Almost surely, 2^2103102221 is an apocalyptic number.

It is an amenable number.

2103102221 is a deficient number, since it is larger than the sum of its proper divisors (290943283).

2103102221 is a wasteful number, since it uses less digits than its factorization.

2103102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8312691.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2103102221 is about 45859.5924643907. The cubic root of 2103102221 is about 1281.2094324463.

Adding to 2103102221 its reverse (1222013012), we get a palindrome (3325115233).

The spelling of 2103102221 in words is "two billion, one hundred three million, one hundred two thousand, two hundred twenty-one".