2213211121111 has 4 divisors (see below), whose sum is σ = 2213277643152. Its totient is φ = 2213144599072.

The previous prime is 2213211121019. The next prime is 2213211121127. The reversal of 2213211121111 is 1111211123122.

2213211121111 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 2213211121111 - 2¹⁵ = 2213211088343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213211121141) 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, 33211090 + ... + 33277663.

It is an arithmetic number, because the mean of its divisors is an integer number (553319410788).

Almost surely, 2^{2213211121111} is an apocalyptic number.

2213211121111 is a deficient number, since it is larger than the sum of its proper divisors (66522041).

2213211121111 is an equidigital number, since it uses as much as digits as its factorization.

2213211121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66522040.

The product of its digits is 48, while the sum is 19.

Adding to 2213211121111 its reverse (1111211123122), we get a palindrome (3324422244233).

The spelling of 2213211121111 in words is "two trillion, two hundred thirteen billion, two hundred eleven million, one hundred twenty-one thousand, one hundred eleven".