2103022100 has 36 divisors (see below), whose sum is σ = 4565804124. Its totient is φ = 840794880.

The previous prime is 2103022099. The next prime is 2103022127. The reversal of 2103022100 is 12203012.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2999824 + 2100022276 = 1732^2 + 45826^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273914 + ... + 281486.

Almost surely, 2^2103022100 is an apocalyptic number.

2103022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103022100 is an abundant number, since it is smaller than the sum of its proper divisors (2462782024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103022100 is a wasteful number, since it uses less digits than its factorization.

2103022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10364 (or 10357 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2103022100 is about 45858.7189092761. The cubic root of 2103022100 is about 1281.1931623408.

Adding to 2103022100 its reverse (12203012), we get a palindrome (2115225112).

The spelling of 2103022100 in words is "two billion, one hundred three million, twenty-two thousand, one hundred".