211411012303 has 4 divisors (see below), whose sum is σ = 218701047240. Its totient is φ = 204120977368.

The previous prime is 211411012297. The next prime is 211411012313. The reversal of 211411012303 is 303210114112.

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

It is a de Polignac number, because none of the positive numbers 2^k-211411012303 is a prime.

It is a super-2 number, since 2×211411012303² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211411012313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3645017425 + ... + 3645017482.

It is an arithmetic number, because the mean of its divisors is an integer number (54675261810).

Almost surely, 2^211411012303 is an apocalyptic number.

211411012303 is a deficient number, since it is larger than the sum of its proper divisors (7290034937).

211411012303 is an equidigital number, since it uses as much as digits as its factorization.

211411012303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7290034936.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 211411012303 its reverse (303210114112), we get a palindrome (514621126415).

The spelling of 211411012303 in words is "two hundred eleven billion, four hundred eleven million, twelve thousand, three hundred three".