211121310107 has 2 divisors, whose sum is σ = 211121310108. Its totient is φ = 211121310106.

The previous prime is 211121310091. The next prime is 211121310121. The reversal of 211121310107 is 701013121112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211121310107 - 2⁴ = 211121310091 is a prime.

It is not a weakly prime, because it can be changed into another prime (211121310137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560655053 + 105560655054.

It is an arithmetic number, because the mean of its divisors is an integer number (105560655054).

Almost surely, 2^211121310107 is an apocalyptic number.

211121310107 is a deficient number, since it is larger than the sum of its proper divisors (1).

211121310107 is an equidigital number, since it uses as much as digits as its factorization.

211121310107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 20.

Adding to 211121310107 its reverse (701013121112), we get a palindrome (912134431219).

The spelling of 211121310107 in words is "two hundred eleven billion, one hundred twenty-one million, three hundred ten thousand, one hundred seven".