120211667 has 2 divisors, whose sum is σ = 120211668. Its totient is φ = 120211666.

The previous prime is 120211661. The next prime is 120211669. The reversal of 120211667 is 766112021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120211667 is a prime.

Together with 120211669, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120211661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105833 + 60105834.

It is an arithmetic number, because the mean of its divisors is an integer number (60105834).

Almost surely, 2^120211667 is an apocalyptic number.

120211667 is a deficient number, since it is larger than the sum of its proper divisors (1).

120211667 is an equidigital number, since it uses as much as digits as its factorization.

120211667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 120211667 is about 10964.1081260630. The cubic root of 120211667 is about 493.5322532467.

Adding to 120211667 its reverse (766112021), we get a palindrome (886323688).

The spelling of 120211667 in words is "one hundred twenty million, two hundred eleven thousand, six hundred sixty-seven".