2103100101 has 24 divisors (see below), whose sum is σ = 3200132000. Its totient is φ = 1327262112.

The previous prime is 2103100093. The next prime is 2103100121. The reversal of 2103100101 is 1010013012.

It is not a de Polignac number, because 2103100101 - 2³ = 2103100093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103100121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266115 + ... + 273903.

Almost surely, 2^2103100101 is an apocalyptic number.

It is an amenable number.

2103100101 is a deficient number, since it is larger than the sum of its proper divisors (1097031899).

2103100101 is a wasteful number, since it uses less digits than its factorization.

2103100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9393 (or 9390 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 2103100101 is about 45859.5693503548. The cubic root of 2103100101 is about 1281.2090019449.

Adding to 2103100101 its reverse (1010013012), we get a palindrome (3113113113).

The spelling of 2103100101 in words is "two billion, one hundred three million, one hundred thousand, one hundred one".