2103202101 has 32 divisors (see below), whose sum is σ = 3765178368. Its totient is φ = 1008527040.

The previous prime is 2103202091. The next prime is 2103202117. The reversal of 2103202101 is 1012023012.

It is not a de Polignac number, because 2103202101 - 2¹³ = 2103193909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103202601) 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 31 ways as a sum of consecutive naturals, for example, 347181 + ... + 353186.

It is an arithmetic number, because the mean of its divisors is an integer number (117661824).

Almost surely, 2^2103202101 is an apocalyptic number.

2103202101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2103202101 is a deficient number, since it is larger than the sum of its proper divisors (1661976267).

2103202101 is a wasteful number, since it uses less digits than its factorization.

2103202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700401.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2103202101 is about 45860.6814275584. The cubic root of 2103202101 is about 1281.2297144169.

Adding to 2103202101 its reverse (1012023012), we get a palindrome (3115225113).

Subtracting from 2103202101 its reverse (1012023012), we obtain a square (1091179089 = 33033²).

The spelling of 2103202101 in words is "two billion, one hundred three million, two hundred two thousand, one hundred one".