12211211102011 has 2 divisors, whose sum is σ = 12211211102012. Its totient is φ = 12211211102010.

The previous prime is 12211211102009. The next prime is 12211211102047. The reversal of 12211211102011 is 11020111211221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12211211102011 - 2¹ = 12211211102009 is a prime.

It is a super-2 number, since 2×12211211102011² (a number of 27 digits) contains 22 as substring.

Together with 12211211102009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12211211108011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105605551005 + 6105605551006.

It is an arithmetic number, because the mean of its divisors is an integer number (6105605551006).

Almost surely, 2^{12211211102011} is an apocalyptic number.

12211211102011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211211102011 is an equidigital number, since it uses as much as digits as its factorization.

12211211102011 is an evil number, because the sum of its binary digits is even.

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

Adding to 12211211102011 its reverse (11020111211221), we get a palindrome (23231322313232).

The spelling of 12211211102011 in words is "twelve trillion, two hundred eleven billion, two hundred eleven million, one hundred two thousand, eleven".