210111220996603 has 2 divisors, whose sum is σ = 210111220996604. Its totient is φ = 210111220996602.

The previous prime is 210111220996583. The next prime is 210111220996717. The reversal of 210111220996603 is 306699022111012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210111220996603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210111220996603.

It is not a weakly prime, because it can be changed into another prime (210111220996903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105055610498301 + 105055610498302.

It is an arithmetic number, because the mean of its divisors is an integer number (105055610498302).

Almost surely, 2^{210111220996603} is an apocalyptic number.

210111220996603 is a deficient number, since it is larger than the sum of its proper divisors (1).

210111220996603 is an equidigital number, since it uses as much as digits as its factorization.

210111220996603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 210111220996603 in words is "two hundred ten trillion, one hundred eleven billion, two hundred twenty million, nine hundred ninety-six thousand, six hundred three".