120212212111 has 2 divisors, whose sum is σ = 120212212112. Its totient is φ = 120212212110.

The previous prime is 120212212103. The next prime is 120212212117. The reversal of 120212212111 is 111212212021.

It is a strong prime.

It is an emirp because it is prime and its reverse (111212212021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120212212111 - 2³ = 120212212103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120212212117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106106055 + 60106106056.

It is an arithmetic number, because the mean of its divisors is an integer number (60106106056).

Almost surely, 2^120212212111 is an apocalyptic number.

120212212111 is a deficient number, since it is larger than the sum of its proper divisors (1).

120212212111 is an equidigital number, since it uses as much as digits as its factorization.

120212212111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120212212111 its reverse (111212212021), we get a palindrome (231424424132).

The spelling of 120212212111 in words is "one hundred twenty billion, two hundred twelve million, two hundred twelve thousand, one hundred eleven".