211003220003 has 4 divisors (see below), whose sum is σ = 212521228920. Its totient is φ = 209485211088.

The previous prime is 211003219981. The next prime is 211003220063. The reversal of 211003220003 is 300022300112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211003220003 - 2⁶ = 211003219939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211003220003.

It is not an unprimeable number, because it can be changed into a prime (211003220063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759004250 + ... + 759004527.

It is an arithmetic number, because the mean of its divisors is an integer number (53130307230).

Almost surely, 2^211003220003 is an apocalyptic number.

211003220003 is a deficient number, since it is larger than the sum of its proper divisors (1518008917).

211003220003 is a wasteful number, since it uses less digits than its factorization.

211003220003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518008916.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 211003220003 its reverse (300022300112), we get a palindrome (511025520115).

The spelling of 211003220003 in words is "two hundred eleven billion, three million, two hundred twenty thousand, three".