120111222210011 has 2 divisors, whose sum is σ = 120111222210012. Its totient is φ = 120111222210010.

The previous prime is 120111222209983. The next prime is 120111222210101. The reversal of 120111222210011 is 110012222111021.

Together with next prime (120111222210101) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (110012222111021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120111222210011 - 2¹⁸ = 120111221947867 is a prime.

It is not a weakly prime, because it can be changed into another prime (120111222230011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055611105005 + 60055611105006.

It is an arithmetic number, because the mean of its divisors is an integer number (60055611105006).

Almost surely, 2^{120111222210011} is an apocalyptic number.

120111222210011 is a deficient number, since it is larger than the sum of its proper divisors (1).

120111222210011 is an equidigital number, since it uses as much as digits as its factorization.

120111222210011 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 17.

Adding to 120111222210011 its reverse (110012222111021), we get a palindrome (230123444321032).

The spelling of 120111222210011 in words is "one hundred twenty trillion, one hundred eleven billion, two hundred twenty-two million, two hundred ten thousand, eleven".