120211121220211 has 16 divisors (see below), whose sum is σ = 142442338809600. Its totient is φ = 99260494508448.

The previous prime is 120211121220173. The next prime is 120211121220221. The reversal of 120211121220211 is 112022121112021.

It is a happy number.

It is not a de Polignac number, because 120211121220211 - 2¹¹ = 120211121218163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120211121220221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668276901 + ... + 668456758.

It is an arithmetic number, because the mean of its divisors is an integer number (8902646175600).

Almost surely, 2^{120211121220211} is an apocalyptic number.

120211121220211 is a deficient number, since it is larger than the sum of its proper divisors (22231217589389).

120211121220211 is a wasteful number, since it uses less digits than its factorization.

120211121220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336734138.

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

Adding to 120211121220211 its reverse (112022121112021), we get a palindrome (232233242332232).

The spelling of 120211121220211 in words is "one hundred twenty trillion, two hundred eleven billion, one hundred twenty-one million, two hundred twenty thousand, two hundred eleven".