212102103203 has 2 divisors, whose sum is σ = 212102103204. Its totient is φ = 212102103202.

The previous prime is 212102103139. The next prime is 212102103223. The reversal of 212102103203 is 302301201212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212102103203 - 2⁶ = 212102103139 is a prime.

It is not a weakly prime, because it can be changed into another prime (212102103223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106051051601 + 106051051602.

It is an arithmetic number, because the mean of its divisors is an integer number (106051051602).

Almost surely, 2^212102103203 is an apocalyptic number.

212102103203 is a deficient number, since it is larger than the sum of its proper divisors (1).

212102103203 is an equidigital number, since it uses as much as digits as its factorization.

212102103203 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 212102103203 its reverse (302301201212), we get a palindrome (514403304415).

The spelling of 212102103203 in words is "two hundred twelve billion, one hundred two million, one hundred three thousand, two hundred three".