2103215005 has 16 divisors (see below), whose sum is σ = 2558718720. Its totient is φ = 1659471552.

The previous prime is 2103214999. The next prime is 2103215021. The reversal of 2103215005 is 5005123012.

It is a cyclic number.

It is not a de Polignac number, because 2103215005 - 2⁹ = 2103214493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113932 + ... + 131098.

It is an arithmetic number, because the mean of its divisors is an integer number (159919920).

Almost surely, 2^2103215005 is an apocalyptic number.

It is an amenable number.

2103215005 is a deficient number, since it is larger than the sum of its proper divisors (455503715).

2103215005 is a wasteful number, since it uses less digits than its factorization.

2103215005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17508.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 2103215005 is about 45860.8221143058. The cubic root of 2103215005 is about 1281.2323346999.

Adding to 2103215005 its reverse (5005123012), we get a palindrome (7108338017).

The spelling of 2103215005 in words is "two billion, one hundred three million, two hundred fifteen thousand, five".