2021221022003 has 2 divisors, whose sum is σ = 2021221022004. Its totient is φ = 2021221022002.

The previous prime is 2021221021997. The next prime is 2021221022011. The reversal of 2021221022003 is 3002201221202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021221022003 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021221022053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010610511001 + 1010610511002.

It is an arithmetic number, because the mean of its divisors is an integer number (1010610511002).

Almost surely, 2^{2021221022003} is an apocalyptic number.

2021221022003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021221022003 is an equidigital number, since it uses as much as digits as its factorization.

2021221022003 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 17.

Adding to 2021221022003 its reverse (3002201221202), we get a palindrome (5023422243205).

The spelling of 2021221022003 in words is "two trillion, twenty-one billion, two hundred twenty-one million, twenty-two thousand, three".