20010212210203 has 2 divisors, whose sum is σ = 20010212210204. Its totient is φ = 20010212210202.

The previous prime is 20010212210173. The next prime is 20010212210237. The reversal of 20010212210203 is 30201221201002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20010212210203 - 2²¹ = 20010210113051 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010212210293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005106105101 + 10005106105102.

It is an arithmetic number, because the mean of its divisors is an integer number (10005106105102).

Almost surely, 2^{20010212210203} is an apocalyptic number.

20010212210203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010212210203 is an equidigital number, since it uses as much as digits as its factorization.

20010212210203 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 16.

Adding to 20010212210203 its reverse (30201221201002), we get a palindrome (50211433411205).

The spelling of 20010212210203 in words is "twenty trillion, ten billion, two hundred twelve million, two hundred ten thousand, two hundred three".