2211201100111 has 4 divisors (see below), whose sum is σ = 2327580105400. Its totient is φ = 2094822094824.

The previous prime is 2211201100093. The next prime is 2211201100139. The reversal of 2211201100111 is 1110011021122.

It is a happy number.

2211201100111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2211201100111 - 2¹¹ = 2211201098063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211201100091 and 2211201100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211201100151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58189502616 + ... + 58189502653.

It is an arithmetic number, because the mean of its divisors is an integer number (581895026350).

Almost surely, 2^{2211201100111} is an apocalyptic number.

2211201100111 is a deficient number, since it is larger than the sum of its proper divisors (116379005289).

2211201100111 is a wasteful number, since it uses less digits than its factorization.

2211201100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116379005288.

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

Adding to 2211201100111 its reverse (1110011021122), we get a palindrome (3321212121233).

It can be divided in two parts, 221120 and 1100111, that added together give a palindrome (1321231).

The spelling of 2211201100111 in words is "two trillion, two hundred eleven billion, two hundred one million, one hundred thousand, one hundred eleven".