11212201202211 has 8 divisors (see below), whose sum is σ = 16610668447760. Its totient is φ = 7474800801456.

The previous prime is 11212201202203. The next prime is 11212201202233. The reversal of 11212201202211 is 11220210221211.

11212201202211 is a `hidden beast` number, since 11 + 21 + 220 + 1 + 202 + 211 = 666.

It is not a de Polignac number, because 11212201202211 - 2³ = 11212201202203 is a prime.

It is a super-2 number, since 2×11212201202211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212201202711) 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 7 ways as a sum of consecutive naturals, for example, 207633355570 + ... + 207633355623.

It is an arithmetic number, because the mean of its divisors is an integer number (2076333555970).

Almost surely, 2^{11212201202211} is an apocalyptic number.

11212201202211 is a deficient number, since it is larger than the sum of its proper divisors (5398467245549).

11212201202211 is an equidigital number, since it uses as much as digits as its factorization.

11212201202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415266711202 (or 415266711196 counting only the distinct ones).

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

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

The spelling of 11212201202211 in words is "eleven trillion, two hundred twelve billion, two hundred one million, two hundred two thousand, two hundred eleven".