120211201221211 has 2 divisors, whose sum is σ = 120211201221212. Its totient is φ = 120211201221210.

The previous prime is 120211201221193. The next prime is 120211201221217. The reversal of 120211201221211 is 112122102112021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (112122102112021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120211201221211 - 2²¹ = 120211199124059 is a prime.

It is not a weakly prime, because it can be changed into another prime (120211201221217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105600610605 + 60105600610606.

It is an arithmetic number, because the mean of its divisors is an integer number (60105600610606).

Almost surely, 2^{120211201221211} is an apocalyptic number.

120211201221211 is a deficient number, since it is larger than the sum of its proper divisors (1).

120211201221211 is an equidigital number, since it uses as much as digits as its factorization.

120211201221211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 120211201221211 its reverse (112122102112021), we get a palindrome (232333303333232).

The spelling of 120211201221211 in words is "one hundred twenty trillion, two hundred eleven billion, two hundred one million, two hundred twenty-one thousand, two hundred eleven".