11211100020211 has 16 divisors (see below), whose sum is σ = 13798377057024. Its totient is φ = 8870256539424.

The previous prime is 11211100020193. The next prime is 11211100020223. The reversal of 11211100020211 is 11202000111211.

It is a happy number.

11211100020211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11211100020211 - 2⁵ = 11211100020179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 11211100020191 and 11211100020200.

It is not an unprimeable number, because it can be changed into a prime (11211100020611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15132516 + ... + 15856078.

It is an arithmetic number, because the mean of its divisors is an integer number (862398566064).

Almost surely, 2^{11211100020211} is an apocalyptic number.

11211100020211 is a deficient number, since it is larger than the sum of its proper divisors (2587277036813).

11211100020211 is a wasteful number, since it uses less digits than its factorization.

11211100020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893850.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11211100020211 its reverse (11202000111211), we get a palindrome (22413100131422).

It can be divided in two parts, 112111000 and 20211, that added together give a palindrome (112131211).

The spelling of 11211100020211 in words is "eleven trillion, two hundred eleven billion, one hundred million, twenty thousand, two hundred eleven".