12211000201111 has 4 divisors (see below), whose sum is σ = 12211918956424. Its totient is φ = 12210081445800.

The previous prime is 12211000201097. The next prime is 12211000201171. The reversal of 12211000201111 is 11110200011221.

It is a happy number.

12211000201111 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 12211000201111 - 2³¹ = 12208852717463 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12211000201091 and 12211000201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211000201171) 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, 459357720 + ... + 459384301.

It is an arithmetic number, because the mean of its divisors is an integer number (3052979739106).

Almost surely, 2^{12211000201111} is an apocalyptic number.

12211000201111 is a deficient number, since it is larger than the sum of its proper divisors (918755313).

12211000201111 is an equidigital number, since it uses as much as digits as its factorization.

12211000201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918755312.

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

Adding to 12211000201111 its reverse (11110200011221), we get a palindrome (23321200212332).

The spelling of 12211000201111 in words is "twelve trillion, two hundred eleven billion, two hundred one thousand, one hundred eleven".