212222102011 has 2 divisors, whose sum is σ = 212222102012. Its totient is φ = 212222102010.

The previous prime is 212222102009. The next prime is 212222102021. The reversal of 212222102011 is 110201222212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212222102011 - 2¹ = 212222102009 is a prime.

Together with 212222102009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (212222102021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106111051005 + 106111051006.

It is an arithmetic number, because the mean of its divisors is an integer number (106111051006).

Almost surely, 2^212222102011 is an apocalyptic number.

212222102011 is a deficient number, since it is larger than the sum of its proper divisors (1).

212222102011 is an equidigital number, since it uses as much as digits as its factorization.

212222102011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212222102011 its reverse (110201222212), we get a palindrome (322423324223).

The spelling of 212222102011 in words is "two hundred twelve billion, two hundred twenty-two million, one hundred two thousand, eleven".