2010721720603 has 2 divisors, whose sum is σ = 2010721720604. Its totient is φ = 2010721720602.

The previous prime is 2010721720529. The next prime is 2010721720627. The reversal of 2010721720603 is 3060271270102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2010721720603 - 2²⁹ = 2010184849691 is a prime.

It is not a weakly prime, because it can be changed into another prime (2010721720633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005360860301 + 1005360860302.

It is an arithmetic number, because the mean of its divisors is an integer number (1005360860302).

Almost surely, 2^{2010721720603} is an apocalyptic number.

2010721720603 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010721720603 is an equidigital number, since it uses as much as digits as its factorization.

2010721720603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

Adding to 2010721720603 its reverse (3060271270102), we get a palindrome (5070992990705).

The spelling of 2010721720603 in words is "two trillion, ten billion, seven hundred twenty-one million, seven hundred twenty thousand, six hundred three".