11223012011 has 2 divisors, whose sum is σ = 11223012012. Its totient is φ = 11223012010.

The previous prime is 11223012007. The next prime is 11223012019. The reversal of 11223012011 is 11021032211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11223012011 - 2² = 11223012007 is a prime.

It is not a weakly prime, because it can be changed into another prime (11223012019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611506005 + 5611506006.

It is an arithmetic number, because the mean of its divisors is an integer number (5611506006).

Almost surely, 2^11223012011 is an apocalyptic number.

11223012011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11223012011 is an equidigital number, since it uses as much as digits as its factorization.

11223012011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11223012011 its reverse (11021032211), we get a palindrome (22244044222).

The spelling of 11223012011 in words is "eleven billion, two hundred twenty-three million, twelve thousand, eleven".