2223212011 has 2 divisors, whose sum is σ = 2223212012. Its totient is φ = 2223212010.

The previous prime is 2223211999. The next prime is 2223212051. The reversal of 2223212011 is 1102123222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2223212011 - 2⁷ = 2223211883 is a prime.

It is not a weakly prime, because it can be changed into another prime (2223212051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111606005 + 1111606006.

It is an arithmetic number, because the mean of its divisors is an integer number (1111606006).

Almost surely, 2^2223212011 is an apocalyptic number.

2223212011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223212011 is an equidigital number, since it uses as much as digits as its factorization.

2223212011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2223212011 is about 47150.9492057159. The cubic root of 2223212011 is about 1305.1495962347.

Adding to 2223212011 its reverse (1102123222), we get a palindrome (3325335233).

It can be divided in two parts, 22232 and 12011, that added together give a palindrome (34243).

The spelling of 2223212011 in words is "two billion, two hundred twenty-three million, two hundred twelve thousand, eleven".