211020107 has 2 divisors, whose sum is σ = 211020108. Its totient is φ = 211020106.

The previous prime is 211020091. The next prime is 211020119. The reversal of 211020107 is 701020112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211020107 - 2⁴ = 211020091 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 211020091 and 211020100.

It is not a weakly prime, because it can be changed into another prime (211020127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105510053 + 105510054.

It is an arithmetic number, because the mean of its divisors is an integer number (105510054).

Almost surely, 2^211020107 is an apocalyptic number.

211020107 is a deficient number, since it is larger than the sum of its proper divisors (1).

211020107 is an equidigital number, since it uses as much as digits as its factorization.

211020107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 211020107 is about 14526.5311413290. The cubic root of 211020107 is about 595.3530912731.

Adding to 211020107 its reverse (701020112), we get a palindrome (912040219).

The spelling of 211020107 in words is "two hundred eleven million, twenty thousand, one hundred seven".