11001212210211 has 32 divisors (see below), whose sum is σ = 15587884311552. Its totient is φ = 6886541861760.

The previous prime is 11001212210179. The next prime is 11001212210213. The reversal of 11001212210211 is 11201221210011.

It is a happy number.

It is not a de Polignac number, because 11001212210211 - 2⁵ = 11001212210179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11001212210213) 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 31 ways as a sum of consecutive naturals, for example, 481020 + ... + 4715273.

It is an arithmetic number, because the mean of its divisors is an integer number (487121384736).

Almost surely, 2^{11001212210211} is an apocalyptic number.

11001212210211 is a deficient number, since it is larger than the sum of its proper divisors (4586672101341).

11001212210211 is a wasteful number, since it uses less digits than its factorization.

11001212210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196883.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11001212210211 its reverse (11201221210011), we get a palindrome (22202433420222).

The spelling of 11001212210211 in words is "eleven trillion, one billion, two hundred twelve million, two hundred ten thousand, two hundred eleven".