211211022100027 has 2 divisors, whose sum is σ = 211211022100028. Its totient is φ = 211211022100026.

The previous prime is 211211022099983. The next prime is 211211022100049. The reversal of 211211022100027 is 720001220112112.

It is an a-pointer prime, because the next prime (211211022100049) can be obtained adding 211211022100027 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211211022100027 - 2¹¹ = 211211022097979 is a prime.

It is a super-2 number, since 2×211211022100027² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211211022099980 and 211211022100007.

It is not a weakly prime, because it can be changed into another prime (211211022100097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105605511050013 + 105605511050014.

It is an arithmetic number, because the mean of its divisors is an integer number (105605511050014).

Almost surely, 2^{211211022100027} is an apocalyptic number.

211211022100027 is a deficient number, since it is larger than the sum of its proper divisors (1).

211211022100027 is an equidigital number, since it uses as much as digits as its factorization.

211211022100027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 211211022100027 its reverse (720001220112112), we get a palindrome (931212242212139).

The spelling of 211211022100027 in words is "two hundred eleven trillion, two hundred eleven billion, twenty-two million, one hundred thousand, twenty-seven".