121704160211 has 2 divisors, whose sum is σ = 121704160212. Its totient is φ = 121704160210.

The previous prime is 121704160169. The next prime is 121704160213. The reversal of 121704160211 is 112061407121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121704160211 is a prime.

It is a super-2 number, since 2×121704160211² (a number of 23 digits) contains 22 as substring.

Together with 121704160213, 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 (121704160213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60852080105 + 60852080106.

It is an arithmetic number, because the mean of its divisors is an integer number (60852080106).

Almost surely, 2^121704160211 is an apocalyptic number.

121704160211 is a deficient number, since it is larger than the sum of its proper divisors (1).

121704160211 is an equidigital number, since it uses as much as digits as its factorization.

121704160211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 26.

Adding to 121704160211 its reverse (112061407121), we get a palindrome (233765567332).

The spelling of 121704160211 in words is "one hundred twenty-one billion, seven hundred four million, one hundred sixty thousand, two hundred eleven".