210221112012203 has 2 divisors, whose sum is σ = 210221112012204. Its totient is φ = 210221112012202.

The previous prime is 210221112012143. The next prime is 210221112012227. The reversal of 210221112012203 is 302210211122012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210221112012203 - 2¹² = 210221112008107 is a prime.

It is not a weakly prime, because it can be changed into another prime (210221112012253) 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, 105110556006101 + 105110556006102.

It is an arithmetic number, because the mean of its divisors is an integer number (105110556006102).

Almost surely, 2^{210221112012203} is an apocalyptic number.

210221112012203 is a deficient number, since it is larger than the sum of its proper divisors (1).

210221112012203 is an equidigital number, since it uses as much as digits as its factorization.

210221112012203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 210221112012203 its reverse (302210211122012), we get a palindrome (512431323134215).

The spelling of 210221112012203 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred twelve million, twelve thousand, two hundred three".