212233322011 has 2 divisors, whose sum is σ = 212233322012. Its totient is φ = 212233322010.

The previous prime is 212233321981. The next prime is 212233322027. The reversal of 212233322011 is 110223332212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212233322011 is a prime.

It is not a weakly prime, because it can be changed into another prime (212233122011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106116661005 + 106116661006.

It is an arithmetic number, because the mean of its divisors is an integer number (106116661006).

Almost surely, 2^212233322011 is an apocalyptic number.

212233322011 is a deficient number, since it is larger than the sum of its proper divisors (1).

212233322011 is an equidigital number, since it uses as much as digits as its factorization.

212233322011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212233322011 its reverse (110223332212), we get a palindrome (322456654223).

The spelling of 212233322011 in words is "two hundred twelve billion, two hundred thirty-three million, three hundred twenty-two thousand, eleven".