212011221100067 has 2 divisors, whose sum is σ = 212011221100068. Its totient is φ = 212011221100066.

The previous prime is 212011221100039. The next prime is 212011221100103. The reversal of 212011221100067 is 760001122110212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212011221100067 is a prime.

It is not a weakly prime, because it can be changed into another prime (212011221100037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005610550033 + 106005610550034.

It is an arithmetic number, because the mean of its divisors is an integer number (106005610550034).

Almost surely, 2^{212011221100067} is an apocalyptic number.

212011221100067 is a deficient number, since it is larger than the sum of its proper divisors (1).

212011221100067 is an equidigital number, since it uses as much as digits as its factorization.

212011221100067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 26.

Adding to 212011221100067 its reverse (760001122110212), we get a palindrome (972012343210279).

The spelling of 212011221100067 in words is "two hundred twelve trillion, eleven billion, two hundred twenty-one million, one hundred thousand, sixty-seven".