2103032101 has 4 divisors (see below), whose sum is σ = 2103123852. Its totient is φ = 2102940352.

The previous prime is 2103032093. The next prime is 2103032131. The reversal of 2103032101 is 1012303012.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1795555876 + 307476225 = 42374^2 + 17535^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103032101 - 2³ = 2103032093 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103032131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21111 + ... + 68203.

It is an arithmetic number, because the mean of its divisors is an integer number (525780963).

Almost surely, 2^2103032101 is an apocalyptic number.

It is an amenable number.

2103032101 is a deficient number, since it is larger than the sum of its proper divisors (91751).

2103032101 is an equidigital number, since it uses as much as digits as its factorization.

2103032101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91750.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2103032101 is about 45858.8279505702. The cubic root of 2103032101 is about 1281.1951932582.

Adding to 2103032101 its reverse (1012303012), we get a palindrome (3115335113).

The spelling of 2103032101 in words is "two billion, one hundred three million, thirty-two thousand, one hundred one".