2100201203323 has 4 divisors (see below), whose sum is σ = 2116738220800. Its totient is φ = 2083664185848.

The previous prime is 2100201203311. The next prime is 2100201203327. The reversal of 2100201203323 is 3233021020012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2100201203323 - 2⁵ = 2100201203291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2100201203323.

It is not an unprimeable number, because it can be changed into a prime (2100201203327) 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, 8268508548 + ... + 8268508801.

It is an arithmetic number, because the mean of its divisors is an integer number (529184555200).

Almost surely, 2^{2100201203323} is an apocalyptic number.

2100201203323 is a deficient number, since it is larger than the sum of its proper divisors (16537017477).

2100201203323 is a wasteful number, since it uses less digits than its factorization.

2100201203323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16537017476.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2100201203323 its reverse (3233021020012), we get a palindrome (5333222223335).

The spelling of 2100201203323 in words is "two trillion, one hundred billion, two hundred one million, two hundred three thousand, three hundred twenty-three".