11220210221211 has 6 divisors (see below), whose sum is σ = 16206970319540. Its totient is φ = 7480140147468.

The previous prime is 11220210221179. The next prime is 11220210221243. The reversal of 11220210221211 is 11212201202211.

11220210221211 is a `hidden beast` number, since 1 + 1 + 2 + 20 + 210 + 221 + 211 = 666.

It is an interprime number because it is at equal distance from previous prime (11220210221179) and next prime (11220210221243).

It is not a de Polignac number, because 11220210221211 - 2⁵ = 11220210221179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220210221251) 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 5 ways as a sum of consecutive naturals, for example, 623345012281 + ... + 623345012298.

Almost surely, 2^{11220210221211} is an apocalyptic number.

11220210221211 is a deficient number, since it is larger than the sum of its proper divisors (4986760098329).

11220210221211 is a wasteful number, since it uses less digits than its factorization.

11220210221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246690024585 (or 1246690024582 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11220210221211 its reverse (11212201202211), we get a palindrome (22432411423422).

The spelling of 11220210221211 in words is "eleven trillion, two hundred twenty billion, two hundred ten million, two hundred twenty-one thousand, two hundred eleven".