212101202303 has 2 divisors, whose sum is σ = 212101202304. Its totient is φ = 212101202302.

The previous prime is 212101202297. The next prime is 212101202311. The reversal of 212101202303 is 303202101212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212101202303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212101202323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050601151 + 106050601152.

It is an arithmetic number, because the mean of its divisors is an integer number (106050601152).

Almost surely, 2^212101202303 is an apocalyptic number.

212101202303 is a deficient number, since it is larger than the sum of its proper divisors (1).

212101202303 is an equidigital number, since it uses as much as digits as its factorization.

212101202303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212101202303 its reverse (303202101212), we get a palindrome (515303303515).

The spelling of 212101202303 in words is "two hundred twelve billion, one hundred one million, two hundred two thousand, three hundred three".