2021120211203 has 2 divisors, whose sum is σ = 2021120211204. Its totient is φ = 2021120211202.

The previous prime is 2021120211197. The next prime is 2021120211233. The reversal of 2021120211203 is 3021120211202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021120211203 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021120211233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010560105601 + 1010560105602.

It is an arithmetic number, because the mean of its divisors is an integer number (1010560105602).

Almost surely, 2^{2021120211203} is an apocalyptic number.

2021120211203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021120211203 is an equidigital number, since it uses as much as digits as its factorization.

2021120211203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2021120211203 its reverse (3021120211202), we get a palindrome (5042240422405).

Subtracting 2021120211203 from its reverse (3021120211202), we obtain a palindrome (999999999999).

The spelling of 2021120211203 in words is "two trillion, twenty-one billion, one hundred twenty million, two hundred eleven thousand, two hundred three".