212103321301 has 2 divisors, whose sum is σ = 212103321302. Its totient is φ = 212103321300.

The previous prime is 212103321293. The next prime is 212103321323. The reversal of 212103321301 is 103123301212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210314877201 + 1788444100 = 458601^2 + 42290^2 .

It is a cyclic number.

It is not a de Polignac number, because 212103321301 - 2³ = 212103321293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212103321601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106051660650 + 106051660651.

It is an arithmetic number, because the mean of its divisors is an integer number (106051660651).

Almost surely, 2^212103321301 is an apocalyptic number.

It is an amenable number.

212103321301 is a deficient number, since it is larger than the sum of its proper divisors (1).

212103321301 is an equidigital number, since it uses as much as digits as its factorization.

212103321301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212103321301 its reverse (103123301212), we get a palindrome (315226622513).

The spelling of 212103321301 in words is "two hundred twelve billion, one hundred three million, three hundred twenty-one thousand, three hundred one".