2101100203323 has 40 divisors (see below), whose sum is σ = 3465268462656. Its totient is φ = 1258051921200.

The previous prime is 2101100203253. The next prime is 2101100203331. The reversal of 2101100203323 is 3233020011012.

2101100203323 is a `hidden beast` number, since 210 + 1 + 100 + 20 + 332 + 3 = 666.

It is not a de Polignac number, because 2101100203323 - 2³⁶ = 2032380726587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2101100203296 and 2101100203305.

It is not an unprimeable number, because it can be changed into a prime (2101100203373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14131693 + ... + 14279598.

Almost surely, 2^{2101100203323} is an apocalyptic number.

2101100203323 is a deficient number, since it is larger than the sum of its proper divisors (1364168259333).

2101100203323 is a wasteful number, since it uses less digits than its factorization.

2101100203323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28411397 (or 28411388 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2101100203323 its reverse (3233020011012), we get a palindrome (5334120214335).

The spelling of 2101100203323 in words is "two trillion, one hundred one billion, one hundred million, two hundred three thousand, three hundred twenty-three".