210212121111203 has 2 divisors, whose sum is σ = 210212121111204. Its totient is φ = 210212121111202.

The previous prime is 210212121111101. The next prime is 210212121111269. The reversal of 210212121111203 is 302111121212012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210212121111203 - 2²⁶ = 210212054002339 is a prime.

It is not a weakly prime, because it can be changed into another prime (210212121111803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105106060555601 + 105106060555602.

It is an arithmetic number, because the mean of its divisors is an integer number (105106060555602).

Almost surely, 2^{210212121111203} is an apocalyptic number.

210212121111203 is a deficient number, since it is larger than the sum of its proper divisors (1).

210212121111203 is an equidigital number, since it uses as much as digits as its factorization.

210212121111203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 210212121111203 its reverse (302111121212012), we get a palindrome (512323242323215).

The spelling of 210212121111203 in words is "two hundred ten trillion, two hundred twelve billion, one hundred twenty-one million, one hundred eleven thousand, two hundred three".