120111011211211 has 2 divisors, whose sum is σ = 120111011211212. Its totient is φ = 120111011211210.

The previous prime is 120111011211179. The next prime is 120111011211221. The reversal of 120111011211211 is 112112110111021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120111011211211 - 2⁵ = 120111011211179 is a prime.

It is not a weakly prime, because it can be changed into another prime (120111011211221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055505605605 + 60055505605606.

It is an arithmetic number, because the mean of its divisors is an integer number (60055505605606).

Almost surely, 2^{120111011211211} is an apocalyptic number.

120111011211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

120111011211211 is an equidigital number, since it uses as much as digits as its factorization.

120111011211211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 120111011211211 its reverse (112112110111021), we get a palindrome (232223121322232).

The spelling of 120111011211211 in words is "one hundred twenty trillion, one hundred eleven billion, eleven million, two hundred eleven thousand, two hundred eleven".