2101321303 has 2 divisors, whose sum is σ = 2101321304. Its totient is φ = 2101321302.

The previous prime is 2101321297. The next prime is 2101321349. The reversal of 2101321303 is 3031231012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101321303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101361303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050660651 + 1050660652.

It is an arithmetic number, because the mean of its divisors is an integer number (1050660652).

Almost surely, 2^2101321303 is an apocalyptic number.

2101321303 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101321303 is an equidigital number, since it uses as much as digits as its factorization.

2101321303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2101321303 is about 45840.1712802210. The cubic root of 2101321303 is about 1280.8476853598.

Adding to 2101321303 its reverse (3031231012), we get a palindrome (5132552315).

The spelling of 2101321303 in words is "two billion, one hundred one million, three hundred twenty-one thousand, three hundred three".