11216211005 has 16 divisors (see below), whose sum is σ = 14174541120. Its totient is φ = 8496690048.

The previous prime is 11216210983. The next prime is 11216211011. The reversal of 11216211005 is 50011261211.

11216211005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11216211005 is a prime.

It is a super-2 number, since 2×11216211005² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 182489 + ... + 236081.

It is an arithmetic number, because the mean of its divisors is an integer number (885908820).

Almost surely, 2^11216211005 is an apocalyptic number.

It is an amenable number.

11216211005 is a deficient number, since it is larger than the sum of its proper divisors (2958330115).

11216211005 is a wasteful number, since it uses less digits than its factorization.

11216211005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55820.

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 11216211005 its reverse (50011261211), we get a palindrome (61227472216).

It can be divided in two parts, 1121 and 6211005, that added together give a palindrome (6212126).

The spelling of 11216211005 in words is "eleven billion, two hundred sixteen million, two hundred eleven thousand, five".