11211210002211 has 16 divisors (see below), whose sum is σ = 14967204688800. Its totient is φ = 7464678213888.

The previous prime is 11211210002203. The next prime is 11211210002341. The reversal of 11211210002211 is 11220001211211.

It is a happy number.

It is not a de Polignac number, because 11211210002211 - 2³ = 11211210002203 is a prime.

It is a super-4 number, since 4×11211210002211⁴ (a number of 53 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (11211210002011) 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 15 ways as a sum of consecutive naturals, for example, 138388305 + ... + 138469293.

It is an arithmetic number, because the mean of its divisors is an integer number (935450293050).

Almost surely, 2^{11211210002211} is an apocalyptic number.

11211210002211 is a deficient number, since it is larger than the sum of its proper divisors (3755994686589).

11211210002211 is an equidigital number, since it uses as much as digits as its factorization.

11211210002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138838.

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

Adding to 11211210002211 its reverse (11220001211211), we get a palindrome (22431211213422).

The spelling of 11211210002211 in words is "eleven trillion, two hundred eleven billion, two hundred ten million, two thousand, two hundred eleven".