120111121210211 has 2 divisors, whose sum is σ = 120111121210212. Its totient is φ = 120111121210210.

The previous prime is 120111121210177. The next prime is 120111121210229. The reversal of 120111121210211 is 112012121111021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120111121210211 - 2³⁸ = 119836243303267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120111121210211.

It is not a weakly prime, because it can be changed into another prime (120111121212211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055560605105 + 60055560605106.

It is an arithmetic number, because the mean of its divisors is an integer number (60055560605106).

Almost surely, 2^{120111121210211} is an apocalyptic number.

120111121210211 is a deficient number, since it is larger than the sum of its proper divisors (1).

120111121210211 is an equidigital number, since it uses as much as digits as its factorization.

120111121210211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 120111121210211 its reverse (112012121111021), we get a palindrome (232123242321232).

The spelling of 120111121210211 in words is "one hundred twenty trillion, one hundred eleven billion, one hundred twenty-one million, two hundred ten thousand, two hundred eleven".