212021110303 has 2 divisors, whose sum is σ = 212021110304. Its totient is φ = 212021110302.

The previous prime is 212021110297. The next prime is 212021110321. The reversal of 212021110303 is 303011120212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212021110303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212021110393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010555151 + 106010555152.

It is an arithmetic number, because the mean of its divisors is an integer number (106010555152).

Almost surely, 2^212021110303 is an apocalyptic number.

212021110303 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021110303 is an equidigital number, since it uses as much as digits as its factorization.

212021110303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212021110303 its reverse (303011120212), we get a palindrome (515032230515).

Subtracting 212021110303 from its reverse (303011120212), we obtain a palindrome (90990009909).

The spelling of 212021110303 in words is "two hundred twelve billion, twenty-one million, one hundred ten thousand, three hundred three".