2103100511 has 4 divisors (see below), whose sum is σ = 2113068024. Its totient is φ = 2093133000.

The previous prime is 2103100507. The next prime is 2103100513. The reversal of 2103100511 is 1150013012.

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

It is a cyclic number.

It is not a de Polignac number, because 2103100511 - 2² = 2103100507 is a prime.

It is a super-2 number, since 2×2103100511² = 8846063518736922242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103100513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4983440 + ... + 4983861.

It is an arithmetic number, because the mean of its divisors is an integer number (528267006).

Almost surely, 2^2103100511 is an apocalyptic number.

2103100511 is a deficient number, since it is larger than the sum of its proper divisors (9967513).

2103100511 is an equidigital number, since it uses as much as digits as its factorization.

2103100511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9967512.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 2103100511 is about 45859.5738205230. The cubic root of 2103100511 is about 1281.2090852023.

Adding to 2103100511 its reverse (1150013012), we get a palindrome (3253113523).

The spelling of 2103100511 in words is "two billion, one hundred three million, one hundred thousand, five hundred eleven".