212212122011 has 2 divisors, whose sum is σ = 212212122012. Its totient is φ = 212212122010.

The previous prime is 212212121987. The next prime is 212212122029. The reversal of 212212122011 is 110221212212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212212122011 - 2²⁶ = 212145013147 is a prime.

It is not a weakly prime, because it can be changed into another prime (212212122061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106106061005 + 106106061006.

It is an arithmetic number, because the mean of its divisors is an integer number (106106061006).

Almost surely, 2^212212122011 is an apocalyptic number.

212212122011 is a deficient number, since it is larger than the sum of its proper divisors (1).

212212122011 is an equidigital number, since it uses as much as digits as its factorization.

212212122011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212212122011 its reverse (110221212212), we get a palindrome (322433334223).

The spelling of 212212122011 in words is "two hundred twelve billion, two hundred twelve million, one hundred twenty-two thousand, eleven".