212222212141211 has 2 divisors, whose sum is σ = 212222212141212. Its totient is φ = 212222212141210.

The previous prime is 212222212141157. The next prime is 212222212141253. The reversal of 212222212141211 is 112141212222212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212222212141211 is a prime.

It is a super-3 number, since 3×212222212141211³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (212222212141411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106111106070605 + 106111106070606.

It is an arithmetic number, because the mean of its divisors is an integer number (106111106070606).

Almost surely, 2^{212222212141211} is an apocalyptic number.

212222212141211 is a deficient number, since it is larger than the sum of its proper divisors (1).

212222212141211 is an equidigital number, since it uses as much as digits as its factorization.

212222212141211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1024, while the sum is 26.

Adding to 212222212141211 its reverse (112141212222212), we get a palindrome (324363424363423).

The spelling of 212222212141211 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred twelve million, one hundred forty-one thousand, two hundred eleven".