11212102201211 has 12 divisors (see below), whose sum is σ = 12033835241400. Its totient is φ = 10441957783968.

The previous prime is 11212102201199. The next prime is 11212102201219. The reversal of 11212102201211 is 11210220121211.

It is not a de Polignac number, because 11212102201211 - 2⁶ = 11212102201147 is a prime.

It is a super-2 number, since 2×11212102201211² (a number of 27 digits) contains 22 as substring.

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 11212102201211.

It is not an unprimeable number, because it can be changed into a prime (11212102201219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263185946 + ... + 263228543.

It is an arithmetic number, because the mean of its divisors is an integer number (1002819603450).

Almost surely, 2^{11212102201211} is an apocalyptic number.

11212102201211 is a deficient number, since it is larger than the sum of its proper divisors (821733040189).

11212102201211 is an equidigital number, since it uses as much as digits as its factorization.

11212102201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526414586 (or 526414567 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11212102201211 its reverse (11210220121211), we get a palindrome (22422322322422).

The spelling of 11212102201211 in words is "eleven trillion, two hundred twelve billion, one hundred two million, two hundred one thousand, two hundred eleven".