211244341403 has 2 divisors, whose sum is σ = 211244341404. Its totient is φ = 211244341402.

The previous prime is 211244341391. The next prime is 211244341421. The reversal of 211244341403 is 304143442112.

211244341403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211244341403 - 2¹⁰ = 211244340379 is a prime.

It is not a weakly prime, because it can be changed into another prime (211244341493) 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, 105622170701 + 105622170702.

It is an arithmetic number, because the mean of its divisors is an integer number (105622170702).

Almost surely, 2^211244341403 is an apocalyptic number.

211244341403 is a deficient number, since it is larger than the sum of its proper divisors (1).

211244341403 is an equidigital number, since it uses as much as digits as its factorization.

211244341403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 211244341403 its reverse (304143442112), we get a palindrome (515387783515).

The spelling of 211244341403 in words is "two hundred eleven billion, two hundred forty-four million, three hundred forty-one thousand, four hundred three".