2021010210203 has 2 divisors, whose sum is σ = 2021010210204. Its totient is φ = 2021010210202.

The previous prime is 2021010210187. The next prime is 2021010210223. The reversal of 2021010210203 is 3020120101202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021010210203 - 2⁴ = 2021010210187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021010210223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010505105101 + 1010505105102.

It is an arithmetic number, because the mean of its divisors is an integer number (1010505105102).

Almost surely, 2^{2021010210203} is an apocalyptic number.

2021010210203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021010210203 is an equidigital number, since it uses as much as digits as its factorization.

2021010210203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2021010210203 its reverse (3020120101202), we get a palindrome (5041130311405).

The spelling of 2021010210203 in words is "two trillion, twenty-one billion, ten million, two hundred ten thousand, two hundred three".