2102321203331 has 4 divisors (see below), whose sum is σ = 2102354037912. Its totient is φ = 2102288368752.

The previous prime is 2102321203267. The next prime is 2102321203361. The reversal of 2102321203331 is 1333021232012.

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 2102321203331 - 2⁶ = 2102321203267 is a prime.

It is a super-2 number, since 2×2102321203331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102321203297 and 2102321203306.

It is not an unprimeable number, because it can be changed into a prime (2102321203361) 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, 16321061 + ... + 16449366.

It is an arithmetic number, because the mean of its divisors is an integer number (525588509478).

Almost surely, 2^{2102321203331} is an apocalyptic number.

2102321203331 is a deficient number, since it is larger than the sum of its proper divisors (32834581).

2102321203331 is an equidigital number, since it uses as much as digits as its factorization.

2102321203331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32834580.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2102321203331 its reverse (1333021232012), we get a palindrome (3435342435343).

The spelling of 2102321203331 in words is "two trillion, one hundred two billion, three hundred twenty-one million, two hundred three thousand, three hundred thirty-one".