12221100011 has 2 divisors, whose sum is σ = 12221100012. Its totient is φ = 12221100010.

The previous prime is 12221100007. The next prime is 12221100019. The reversal of 12221100011 is 11000112221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12221100011 - 2² = 12221100007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12221099965 and 12221100001.

It is not a weakly prime, because it can be changed into another prime (12221100019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110550005 + 6110550006.

It is an arithmetic number, because the mean of its divisors is an integer number (6110550006).

Almost surely, 2^12221100011 is an apocalyptic number.

12221100011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221100011 is an equidigital number, since it uses as much as digits as its factorization.

12221100011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12221100011 its reverse (11000112221), we get a palindrome (23221212232).

The spelling of 12221100011 in words is "twelve billion, two hundred twenty-one million, one hundred thousand, eleven".