211122100027 has 2 divisors, whose sum is σ = 211122100028. Its totient is φ = 211122100026.

The previous prime is 211122099857. The next prime is 211122100117. The reversal of 211122100027 is 720001221112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211122100027 is a prime.

It is a super-2 number, since 2×211122100027² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211122099977 and 211122100013.

It is not a weakly prime, because it can be changed into another prime (211122100127) 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, 105561050013 + 105561050014.

It is an arithmetic number, because the mean of its divisors is an integer number (105561050014).

Almost surely, 2^211122100027 is an apocalyptic number.

211122100027 is a deficient number, since it is larger than the sum of its proper divisors (1).

211122100027 is an equidigital number, since it uses as much as digits as its factorization.

211122100027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 211122100027 its reverse (720001221112), we get a palindrome (931123321139).

The spelling of 211122100027 in words is "two hundred eleven billion, one hundred twenty-two million, one hundred thousand, twenty-seven".